16Hit1600
Standard English ConventionsMediumNo comma before a 'whether' clause

Standard English Conventions practice question

The referee could not decide ____ the ball had fully crossed the line.

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

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

Answer: A. whether

'whether the ball had fully crossed the line' is what the referee could not decide — the object of 'decide'. No punctuation separates a verb from its object.

Why the other answers are wrong

B. , whether
A comma between 'decide' and what was to be decided is an error.
C. ; whether
A semicolon needs a complete clause on each side; the 'whether' clause is dependent.
D. : whether
A colon must follow a complete clause, and 'could not decide' is incomplete without its object.

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