Boundaries: Punctuation and Sentence Structure

SAT Reading and Writing· difficulty 2/5

The bridge had been under construction for three years ______ and the project was expected to take at least two more before completion.

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

  • A

    (empty)

  • B

    ,

    check_circle
  • C

    ;

  • D

Explanation

Two independent clauses joined by "and" take a comma before "and."

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SAT Reading and Writing · Boundaries: Punctuation and Sentence Structure Practice Question | Acemy