—Must I finish my homework at school?— No, you_____. you can do it at home

A．can't

B．mustn't

C．needn’t

D．won’t

– Must I get up early tomorrow morning?
– No, _________.

A．you mustn’t	B．I don’t think you have to
C．you can’t	D．you need

—Must I go through the radiation (辐射) check when I come back from Japan at the airport these days?
—Yes, you ______.

A．can

B．may

C．might

D．must

—  Must I return the book this week?
— No, you ____. You can _    it for 20 days.

A．mustn't: keep

B．needn't; borrow

C．needn't; keep

D．mustn't; borrow

—Must I return the hook tomorrow morning? —No, you _ .You can keep it longer.

A．mustn't

B．can't

C．needn't

D．couldn't