问题
填空题
用适当的情态动词填空。
1. There being no bus that night,we ______ go home on foot.
2. You _____ worry about him,he is not a child.
3. You _____ opened the letter, it was written for me.
4. — Must I finish my homework today?
— No,you____.
5. You _____ play football on the road because it is dangerous.
6. The windows _____ cleaning.
答案
1. had to 2. needn't/don't have to 3. oughtn't to/shouldn't have
4. needn't 5. mustn't 6. need