16Hit1600
Standard English ConventionsMediumRestrictive clause takes no commas

Standard English Conventions practice question

The only bus ____ stops at the hospital leaves the station at ten past the hour.

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

  1. A. thatCorrect
  2. B. , which
  3. C. that,
  4. D. ; it

Answer: A. that

'That stops at the hospital' identifies which bus, so it is essential and takes no commas.

Why the other answers are wrong

B. , which
', which' makes the clause nonessential, but it is needed to identify the bus.
C. that,
A comma after 'that' cuts it from its clause.
D. ; it
A semicolon breaks the sentence into a fragment and a clause.

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