Periods with Abbreviations Mid-Sentence (B1)

Which sentence correctly uses the time abbreviation "a.m."?

The meeting starts at 9 a.m. sharp.The meeting starts at 9 a.m.. sharp.The meeting starts at 9 am sharp.The meeting starts at 9 A.M. Sharp.

Correct answer: The meeting starts at 9 a.m. sharp.

Which sentence correctly uses "et al." in an academic citation?

The research (Smith et al, 2022) found significant differences.The study (Smith et al., 2022) found significant differences.The study (Smith et. al., 2022) found significant differences.The study (Smith Et al., 2022) found significant differences.

Correct answer: The study (Smith et al., 2022) found significant differences.

In "She worked at 221B Baker St. for three years", how is "St." used?

"St." correctly abbreviates "Street" and the sentence continues normally after it."St." is wrong — American style drops the period: "St"."St." requires a comma after it: "Baker St., for three years.""Street" must always be written in full in formal writing.

Correct answer: "St." correctly abbreviates "Street" and the sentence continues normally after it.

Which sentence INCORRECTLY handles a period-ending abbreviation?

She was born in Washington, D.C., in 1985.The box weighed approx. 5 kg.He was paid a salary of £50,000 p.a..The procedure takes approx. 30 minutes.

Correct answer: He was paid a salary of £50,000 p.a..

When "e.g." is used inside parentheses, which form is correct?

(e.g Chomsky, Saussure)(e.g., Chomsky, Saussure)(e.g., Chomsky, Saussure,)(E.g., Chomsky, Saussure)

Correct answer: (e.g., Chomsky, Saussure)

In "Dr. Lee, Prof. Ito, and Ms. Chen attended the symposium" — how many abbreviation periods are in the sentence?

OneTwoFourThree — "Dr.", "Prof.", and "Ms." each have their own period.

Correct answer: Three — "Dr.", "Prof.", and "Ms." each have their own period.

Which sentence correctly handles the company suffix "Inc." mid-sentence?

She worked for Apex Inc for ten years.She worked for Apex Inc.. for ten years.She worked for Apex Inc. for ten years.She worked for Apex, Inc, for ten years.

Correct answer: She worked for Apex Inc. for ten years.

A student writes: "Please see the appendix (p. 12) for details." Is the period after "p" correct?

Yes — "p." correctly abbreviates "page" with a period inside the parentheses.No — "p." should be "pg." in formal academic writing.No — the period after "p" ends the whole sentence; a second one is needed.No — abbreviations are not permitted inside parentheses.

Correct answer: Yes — "p." correctly abbreviates "page" with a period inside the parentheses.

Which sentence correctly uses "i.e." mid-sentence?

The exam covers one topic, i.e. grammar.The exam covers one topic, i.e., grammar.The exam covers one topic ie grammar.The exam covers one topic i.e., grammar.

Correct answer: The exam covers one topic, i.e., grammar.

In "Please complete Form No. 7B and return it", is "No." used correctly?

No — "No." is informal; formal writing uses "Number" in full.No — "No." must be followed by a comma: "Form No., 7B."No — "no." should be lowercase mid-sentence.Yes — "No." correctly abbreviates "Number" and the sentence continues normally.

Correct answer: Yes — "No." correctly abbreviates "Number" and the sentence continues normally.

How many periods are CORRECT in the sentence "The invoice is due by Mon., 15 Jan."?

One — only the sentence-ending period after "Jan".Four — one after each word in the sentence.Two — "Mon." and "Jan." (which also ends the sentence).Three — "Mon.", "Jan.", and a separate sentence-ending period.

Correct answer: Two — "Mon." and "Jan." (which also ends the sentence).

Which sentence handles the abbreviation "Corp." CORRECTLY?

The merger was completed when Omega Corp. Was acquired last year.The merger was completed when Omega Corp was acquired last year.The merger was completed when Omega Corp., was acquired last year.The merger was completed when Omega Corp. was acquired last year.

Correct answer: The merger was completed when Omega Corp. was acquired last year.

In an academic citation, "pp." abbreviates "pages." Which sentence uses it correctly?

The argument was made on pp 45–47.The argument was made on pp. 45–47.The argument was made on pp.. 45–47.The argument was made on pp.45–47.

Correct answer: The argument was made on pp. 45–47.

Which sentence uses "approx." CORRECTLY mid-sentence?

The journey takes approx 45 minutes by train.The journey takes 45 minutes approx. by train.The journey takes approx.. 45 minutes by train.The journey takes approx. 45 minutes by train.

Correct answer: The journey takes approx. 45 minutes by train.

Which sentence correctly uses the address abbreviation "Ave." mid-sentence?

He lives on Oak Ave and works downtown.He lives on Oak Ave.. and works downtown.He lives on Oak Ave. and works downtown.He lives on Oak Ave. And works downtown.

Correct answer: He lives on Oak Ave. and works downtown.