16Hit1600
Standard English ConventionsHardClosing dash for a supplement that contains commas

Standard English Conventions practice question

The trail — steep, rocky and poorly signed ____ took us nearly five hours.

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

  1. A. Correct
  2. B. ,
  3. C. ;
  4. D. :

Answer: A. —

The supplement began with a dash, so it must end with a dash. Dashes are also the right choice because the supplement contains commas of its own.

Why the other answers are wrong

B. ,
A comma doesn't match the opening dash, and it would get lost among the commas inside the supplement.
C. ;
A semicolon needs a complete clause on each side; 'The trail — steep, rocky and poorly signed' isn't one.
D. :
A colon doesn't close a supplement.

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