2 . With the help of the new technology, you            e-mail your friends by mobile phone.

A．can

B．must

C．need

D．should

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

4 . 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。

7 . Letters from Father Christmas tells us that as well as enjoying the adventures of Father Christmas,   Polar Bear and other characters at the North Pole,   we can all share the true spirit of giving at Christmas time.
译文: 《圣诞老人的来信》告诉我们, 在圣诞节, 除了欣赏圣诞老人、北极熊和其他一些生活在北极的人物的冒险故事之外, _____________________。

9 . His greatest skill is that he ______ cook a meal of four dishes and a soup in less than half an hour.

A．must

B．need

C．can

D．would

10 . 选词填空。
1. My mother is ill, so I ________(have to/ must)stay home to look after her.
2. He ________(can’t/ mustn’t)be Tom. Tom has gone to London, you know.
3. It’s dark outside. Besides, it’s raining heavily. So, you ________(had better/ might)go home with me.
4. In today’s information age, the loss of data ________(can/must)cause serious problems for a company.
5. It’s strange that he ________(should/ must)have taken the books without the owner’s permission.
6. Samuel, the tallest boy in our class, ________(can/should)easily reach the books on the top shelf.
7. My room is in a mess, but I ________(needn’t/ shouldn’t)clean it before I go out tonight. I can do it in the morning.