1 . Look at his sad face! He must ________(hear) of the bad news. (用所给词的适当形式填空)

2 . “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)
____________________________________________________________________

4 . Since nobody gave him any help, he must__________(fix) the door on his own. It looks good though. (所给词的适当形式填空)

5 . Congratulations on winning the spelling bee. You must ____________ (make) every effort to prepare for it.

6 . The light in his office is out. He must_____________(leave) for home.

7 . Jack must_________________(read) widely and put a lot of work into his term paper or he wouldn’t have got A for it.

8 . Tom, you _______ to watch the singing program named I’m a Singer last night, for your eyes are red.

A．could stay up	B．can have stayed up
C．must have stayed up	D．should stay up

9 . This cake is very sweet. You      a lot of sugar in it.

A．should put

B．could have put

C．might put

D．must have put