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But for their help，we ______ the program in time.

A. can not finish            B. will not finish

C. had not finished          D. could not have finished

______ by a greater demand of vegetables, farmers have built more green houses.

   A．Driven          B．Being driven           C．To drive          D．Having driven

Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.

A. prepare        B. preparing           C. prepared         D. having prepared

Everyone in our class was working hard and doing what we could _______ a good college.

A. enter。mB. to enter

C. entering。mD. entered

— Guess what the exam result was. I turned out to be the first !

— How nice ! I’m sure you _____ a sleepless night.

A. have        B. had        C. would have had        D. will have had

I arrived late; I _____ the road to be so iey.

A. wouldn’t expect     B. haven’t expected     C. hadn’t expected     D. wasn’t expecting

John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we _____ each other a couple of times before that.

A. had been; have seen w。w。w.k。s。5。u.c。o。m B. have been; have seen

C. had been; had seen w。w。w.k。s。5。u.c。o。m D. have been; had seen

Though we don’t know what was discussed, yet we can feel the topic_____.

    A. had changed        B. will change      C. was changed   D. has been changed

—You speak very good French!

—Thanks. I __________ French in Sichuan University for four years.

A. studied    B. study   C. was studying      D. had studied

I’m not surprised that he became a writer. Even as a child he had a _____ imagination.

A. clear           B. cautious        C. funny          D. vivid