单项选择题

John is supposed ______ his term paper last week, but he hasn’t finished it yet.

A. to hand in
B. to be handing in
C. to have handed in
D. to have been handed in

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单项选择题

I had hoped that Rosemary ______ a lawyer, but she was not good at law.

A. will become
B. become
C. would become
D. becomes

单项选择题

All the machines ______ by the end of next week.

A. were repaired
B. would be repaired
C. were being repaired
D. will have been repaired

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