---- Can I watch TV now?
---- No, you ________. You _______ do your homework first.
A.can’t; can’tB.can’t; mustC.mustn’t; can’tD.needn’t; must
B
此題考查情態(tài)動詞的基本用法。can’t不能; must必須,一定;mustn’t禁止;needn’t不必。句意:我現(xiàn)在能看電視了嗎?——不,你不能。你必須首先做作業(yè)。故選B。
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