1 . The ground is rather wet, so it ______(rain) last night. （所给词的适当形式填空）

2 . During our trip to the Great Wall last week, I couldn’t stop thinking about how huge a project it ________ have been to build it in ancient times.

A．must

B．could

C．should

D．need

3 . I have lost my wallet. I ________ it somewhere just now.

A．must drop	B．must have been dropped
C．must have dropped	D．should have dropped

6 . —— Guess what? I’ve won the third prize in the writing competition in Tianjin area.
—— You don’t say. I know you are not good at English. You ______ great efforts!

A．should have made

B．must have made

C．might make

D．could make

7 . There was no one else in the classroom, so he ______ it by himself.

A．should have done

B．need have done

C．must have done

D．could have done

8 . Tony looks so happy. He ________ a contract with the famous basketball club.

A．should sign	B．should have signed
C．must sign	D．must have signed

9 . “What?!” I tried to turn on my brain but the engine just wouldn’t start.
(Please describe the situation when you couldn’t find your key in front of the door.) (按要求仿写)
____________________________________________________________________

10 . Ms Smith _________ have thought Johnson was worth it or she wouldn’t have wasted time on him. I suppose.

A．might

B．must

C．would

D．should