内容正文:
(一)情态动词can,must与have to的用法
一、用括号内所给单词的适当形式填空
1. I can't______ (play) chess with you. I have too much homework to do.
2. —Can your parents________ (speak) English?
—Yes, they can.
3. What can your sister ________(do)?
4. He can't ________(watch) TV on school nights.
5. I have to ________(go) to bed before 10:00 in the evening.
二、单项选择[来源:学科网ZXXK]
6. —Tony, ________you sing English songs?
—Yes, I can.
A. can B. may
C. need D. must
7. —Would you like another glass of water?
—No, thanks. I ________ leave now. Tony is waiting for me.
A. can B. may
C. must
8. Don't arrive late for class. We ________ on time.
A. can be B. must be
C. may be D. will be
9. —Mum, may I go swimming now?
—Yes, dear, but remember that you ________ go with your dad.
A. may B. can
C. must
三、根据汉语意思完成句子,每空一词
10. 你妹妹会游泳吗?
________your sister________?
11. 凯特会做什么?
________can Kate________?
12. 艾丽斯不会下象棋。
Alice________ ________ chess.
13. 琳达不得不每天打扫她的房间。
Linda ________ ________ ________ her room every day.