题目内容
May I play computer after supper?
No. You ________ finish your homework first.
[ ]
A．may
B．must
C．can
D．need
答案：B
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—May I play computer games, Mum?
—No, you ______. You’ve got a lot of homework to do.
| A．needn’t | B．mustn’t | C．wouldn’t | D．won’t |