Question

1.  ( 2015 上海，42 ) Please your exam papers once again before handing them in.

   A. going over   B. went over   

    C. go over   D. to go over 

Answer 1

1. c句意：请在上交试卷之前再检查一遍。本题考查祈使句。用 (please+) 动词原形开头，故答案为C项。