1 . 要是李昌不像往常一样到他店里吃饭,那问题一定严重了.
Something terrible _____ if Li Chang was not coming to eat in his restaurant as he always did.

2 . The ground is wet. It ________ have rained last night.

A．will

B．must

C．should

D．may

3 . 杰克昨天一定到达这儿了,对吗?
Jack_______________________

4 . ---She looks very happy. She ______ have passed the exam.
---I guess so. It’s not difficult after all.

A．would	B．should
C．must	D．ought to

5 . —She looks very happy. She ____have passed the exam.
—I guess so. It’s not difficult after all.

A．should

B．could

C．might

D．must

6 . The lady ________ have done something wrong, because she is looking guilty.

A．would

B．should

C．can

D．must

7 . —Did you visit the museum today?
—No. We _____ it, but we spent too much time shopping.

A．could have visited

B．must have visited

C．could visit

D．must visit

8 . It_____ have been Tom that parked the car here, as he is the only one with a car.

A．may

B．can

C．must

D．should