单项选择题Our lab was being()when we visited the university.

A.rebuilt
B.rebuild
C.rebuilding
D.to rebuild


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1.单项选择题Everything()if Albert hadn't called the fire brigade.

A.will be destroyed
B.will have been destroyed
C.would be destroyed
D.would have been destroyed

2.单项选择题If the man()succeed,he must work as hard as he can.

A.will
B.is to
C.is going to
D.should

3.单项选择题If he was fitter, he()live longer.

A.–(不填)
B.will
C.would
D.can

4.单项选择题If there were life on Mars, such life forms()unable to survive on earth

A.is
B.are
C.would be
D.will be

5.单项选择题He is over fifty, but he looks as though he()only in his thirties.

A.were
B.is
C.will be
D.has been

7.单项选择题If you don't promise to help build more houses, ordinary people()

A.will not be nefit
B.would not be nefit
C.should not be nefit
D.could not be nefit

8.单项选择题If I had more money, I()travel around the world.

A.will
B.want
C.would
D.like

9.单项选择题If I get the new job. I()buy a better car.

A.–(不填)
B.will
C.would
D.might

10.单项选择题He spends a quarter of the day()

A.to sleep
B.sleeping
C.sleeps
D.to sleeping