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－Must I do my homework now?

－No, you ________．Tomorrow is Sunday．You ________ do it tomorrow．

A．mustn't; can

B．needn't; can't

C．needn't; can

D．can't; can

－Must I do my homework now, Mum?

－________．You can do it tomorrow．

A．No, you needn't

B．No, you mustn't

C．Yes, you need

D．Yes, you must

－Mr．Jackson, must I finish my homework in class now?

－No, you ________．You can do it at home and hand it in tomorrow．

A．mustn’t

B．may not

C．don’t have to

D．can