Question

用適當的情態動詞填空。

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.

Answer 1

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