Fill in must, mustn't, needn't or have to.


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   have to      must      mustn’t      needn’t   
1. A: Is Matthew very rich?
B: He be. He drives a Ferrari.

2. A: Would you like to come shopping with me?
B: Yes, but I can’t . I do my homework this afternoon.

3. A: Can I go to the cinema tonight?
B: Yes, but you be late home.

4. A: Hurry up. You'll be late for school!
B: I don't go to school today. It's Saturday.

5. A: I bought you this present.
B: Oh, you have. It's not my birthday!