题目内容
---- Can I watch TV now?
---- No, you ________. You _______ do your homework first.
A.can't; can't |
B.can't; must |
C.mustn't; can't |
D.needn't; must |
【答案】
B
【解析】此题考查情态动词的基本用法。Can表示可以,而must表示必须。
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