Master ACT English concision questions by cutting repeated ideas and empty filler — when several choices are all correct, the shortest clear one almost always wins.
When all four choices mean the same thing, the question is about concision — pick the shortest clear one.
Grammar questions have one right meaning; concision questions have four right meanings and one best length.
Cut any word that restates another word nearby ("a.m. in the morning," "return back," "past history").
"Due to the fact that" = because; "in order to" = to; "at this point in time" = now; "has the ability to" = can.
Read the sentence without the underlined portion. If the meaning survives, OMIT is the answer.
Keep the words only when deleting them loses information the reader needs.
Shortest GRAMMATICAL version that keeps all needed meaning — not simply the shortest.
A large share of ACT English questions never touch grammar at all. Every choice is grammatically correct; the sentence works no matter which one you pick. What the test is really measuring is whether you can spot the version that says the same thing in the fewest words. On these questions the reflex to keep more information — "just in case it matters" — is exactly the trap. The ACT rewards writing that is tight, and it builds distractors out of padding that sounds thorough. Train yourself to notice when all four choices mean the same thing, because that is your signal that the question is about concision, and the shortest clear option is almost certainly the answer.
The most common concision error is redundancy — two words or phrases that carry the same meaning stacked together. "At 8 a.m. in the morning" repeats itself, because "a.m." already means "in the morning." So does "a free gift," "each and every," "combined together," "past history," "end result," and "return back." One half of the pair is dead weight. When you see an underlined phrase, ask whether any word simply restates another word nearby. If "the reason is because," notice that "reason" and "because" both signal cause — you need one, not both.
Redundancy also hides across a whole sentence, not just inside a phrase. "The committee unanimously agreed, with everyone voting the same way, to approve the plan" repeats itself: "unanimously" already tells you everyone agreed. The ACT loves to plant the repeated idea a few words away from the word it duplicates, so read the full sentence before deciding a phrase is necessary. If the information already appeared, cutting the underlined version is not losing anything.
Even when nothing is literally repeated, a phrase can still be bloated. "Due to the fact that" is four words for "because." "In the event that" means "if." "At this point in time" means "now." "Has the ability to" means "can." "In order to" is usually just "to." These inflated phrases are grammatically fine, which is what makes them tempting, but the ACT treats the lean version as correct. When two choices differ only in that one is a puffed-up form of the other, pick the lean one.
On many concision questions, one choice reads OMIT the underlined portion (or "DELETE the underlined portion"). Students distrust it — deleting feels like giving up. But OMIT is correct surprisingly often, precisely because the underlined stretch adds nothing the sentence does not already say. When you see OMIT, do not skip past it. Read the sentence with the underlined part gone. If the meaning survives intact, OMIT is the answer. The only time to keep the words is when deleting them removes information the reader genuinely needs.
Concision is the default, not an absolute law. Two situations force you to keep words. First, if the shortest choice deletes information the sentence needs — a necessary detail, a required transition, a word that keeps the grammar working — then a slightly longer choice wins. "The scientist, who had spent years on the project, finally published" needs the clause if the point is why the moment mattered. Second, never let concision override grammar: the shortest option is wrong if it creates a fragment, a splice, or a subject-verb error. Check that the winner is both concise and complete. The rule is "shortest grammatical version that keeps all needed meaning," not simply "shortest."
Choose the best version of the underlined portion: "The hikers finally returned back to the trailhead just before dark." (NO CHANGE / returned back again / returned / made a return back)
Choose the best version: "The festival was canceled due to the fact that a storm was forecast for the weekend." (NO CHANGE / because / owing to the fact that / on account of the fact that)
Choose the best version: "The museum reopened in May, and it was in the springtime that visitors returned in record numbers." (NO CHANGE / and in that season of spring / and then / OMIT the underlined portion, ending the sentence after "May")
Choose the best version: "Every single one of the delegates, each and every person there, signed the agreement." (NO CHANGE / each and every one of them / without a single exception among them / OMIT the underlined portion)
Choose the best version: "The new alloy, which resists corrosion far better than steel, is now used in bridge cables." (NO CHANGE / , a metal, / , which is a thing, / OMIT the underlined portion, joining "alloy" directly to "is")
Choose the best version of the underlined portion: "The engineers rejected the first design because it was flawed, defective, and full of problems that made it unworkable." (NO CHANGE / flawed, defective, and full of problems / flawed and unworkable / flawed)
Keeping the longer choice because it "sounds more thorough" or "adds detail."
On concision questions every choice is already grammatical. Extra length that repeats a known idea is padding, not detail — cut it.
Skipping the OMIT / DELETE choice because removing words feels risky.
Read the sentence without the underlined portion. If every fact survives, OMIT is right — it is correct far more often than students expect.
Missing redundancy because the repeated idea sits a few words away, not right next to its twin.
Read the entire sentence. "Unanimous... with everyone agreeing" or "in May... in the springtime" repeats across a clause, not just within a phrase.
Blindly picking the shortest option even when it creates a fragment or drops needed information.
The rule is shortest GRAMMATICAL version that keeps all needed meaning. Confirm the winner is complete and loses no real content.
The archaeologists uncovered an ancient artifact that dated back to a period many centuries ago in the distant past.
Which choice best fits the conventions of concise writing?
In order to reach the summit before the weather turned, the climbers set out well before sunrise.
Which choice best fits the conventions of concise writing?
The report concluded that the two proposals were basically the same and essentially identical in almost every respect.
Which choice best fits the conventions of concise writing?
The volunteers planted a total sum of nearly two hundred saplings along the eroding riverbank.
Which choice best fits the conventions of concise writing?
The lecture, which covered the causes of coral bleaching in detail, ran an hour past its scheduled time.
Which choice best fits the conventions of concise writing?
At this point in time, when we consider the current situation as it stands right now, the budget cannot support new hires.
Which choice best fits the conventions of concise writing?
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