题目内容

Thank you for your help,_____ we could not have finished the work in time.

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The landlady was very strict. She asked that we ____ television on week nights.

A. not watch
B. not be watching
C. must not watch
D. should not have watched

Who do you suppose is the man ____ our teacher is talking ？

Everybody has arrived. It's time we ____.

A. would start
B. shall start
C. started
D. had started

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