1 . 你不必为他担忧，他会照顾自己的。

4 . Your clothes are so dirty! They need___________(wash)now. (所给词的适当形式填空)

5 . There are still 30 minutes ____, so we ____ hurry with lunch.

A．going…needn’t	B．to leave…don’t need
C．leaving…needn’t to	D．to go…needn’t

6 . My room is a mess,but I______________________before I go out tonight.I can do it in the morning.（根据汉语意思完成句子)
我的房间很乱,不过今晚在我出去之前,我没必要打扫它。我可以在(明天)早晨打扫。

7 . You__________give me a lift.I want to walk home for exercise. (用适当单词填空)

8 . 单句改错
1. It has been announced that candidates may remain in their seats until all the papers have been collected.
_________________________________________________________________________________
2. When I read the story last night, I wouldn’t help thinking of my days in the countryside.
_________________________________________________________________________________
3. You should be tired after the long trip, aren’t you?
_________________________________________________________________________________
4. Tom, you needn’t leave all your clothes on the floor like this!
_________________________________________________________________________________
5. You can’t imagine that a well-educated gentleman might make such a silly mistake.
_________________________________________________________________________________
6. —Must I pass the book on to Mary when I finish it?
—No, you can’t.
_________________________________________________________________________________

9 . 请用方框内情态动词的正确形式填空

1. You ______ go on working because you look so tired now.
2. Hurry up. If you miss that train then you ______ get a taxi.
3. You ______ come to the meeting if you’re too busy.
4. You ______ park here! It’s an emergency exit.
5. What a pity! But if you ______ go, at least wait till the min stops.
6. —Could I have a look at your passport?
—Yes. you ______.Here it is.
7. You ______ imagine what difficulty we had walking home in the snowstorm.
8. The weather turned out to be fine yesterday. I ______ have taken the trouble to carry my umbrella with me.
9. You ______ follow the doctor’s advice. I think it will do good to you.
10. I ______ have phoned Ed this morning, but I forgot.

10 .
1. You__________________ go on working because you look so tired now.
2. Li Hua__________________pass an examination before he can start work.
3. You__________________come to the meeting if you’re too busy.
4. You__________________play now! You shall finish your homework first!
5. I know things are hard with you, but you__________________try to get over the difficulties.
6. I didn’t see her at the meeting this morning; she__________________have spoken at the meeting.
7. You__________________imagine what difficulty we had walking home in the snowstorm.
8. The weather turned out to be fine yesterday. I __________________have taken the trouble to carry my umbrella with me.
9. You__________________follow the doctor’s advice. I think it will do good to you.
10. I__________________have phoned Ed this morning，but I forgot.