1 . —The 16-year-old girl has skied to both the North and South Pole, and I assume she will be able to get through the last two years of school successfully.
—Yes, I think so. I’m sure_________.

A．she can

B．she is

C．she has

D．she will

2 . 选词填空。
1. He ________(must/might) get here in time ,but I can’t be sure.
2. He ________(can’t/mustn’t) have missed the train; he arrrived at the train station two hours early.
3. That must be a mistake. No, it ________(can’t/mustn’t) be a mistake.
4. Paul did a great job in the speech contest. He ________(must/can) have practised many times last week.
5. He ________(may/must) be at his office now, but you’d better make a phone to make sure.
6. Look, someone’s in the room. Who ________(can/must) it be ?
7. It ________(must have /may have) rained last night, for the ground is still wet.
8. I don’t know where she is, she ________(may/must) be in Wuhan.
9. With drones’ ability to see ahead, they ________(could/should ) signal any problem, so that fast -moving trains would be able to react in time.
10. I ________(needn’t/can’t) have bought so much wine -only two people came.

3 . Every one of us ______ always breathe the same breath and share the same future as the people.

A．might

B．should

C．could

4 . “I ___________hardly stand the idea of having to talk to strangers on the Tube on my way to work,” he told the BBC. (用适当的词填空)

8 . —_____________________ how to get to the hospital?    
——你能告诉我怎么到达医院吗?
—Of course,   I ___________.
——当然能。

9 . The old man is so tired that he _____________________ any farther.   
这位老人非常累，以至于再也不能走得更远了。