16Hit1600
Standard English ConventionsHardNo comma before a restrictive clause with 'who'

Standard English Conventions practice question

Passengers ____ hold a season ticket may board first.

Which choice completes the text so that it conforms to the conventions of Standard English?

  1. A. whoCorrect
  2. B. , who
  3. C. ; who
  4. D. , who,

Answer: A. who

The clause identifies which passengers and takes no comma.

Why the other answers are wrong

B. , who
A comma would make the clause nonessential, changing the meaning to all passengers.
C. ; who
A semicolon splits the subject.
D. , who,
Commas make the clause nonessential.

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