-Can I skate on the lake now?-No.you ．It's dangerous．( )A．can'tB．mustn'tC．needn'tD．won't 题目和参考答案——青夏教育精英家教网—

题目内容

20．-Can I skate on the lake now？
-No，you ______．It's dangerous．（　　）

A．

can't

B．

mustn't

C．

needn't

D．

won't

分析句意：我能在湖里滑冰吗？
--不，你不可以．太危险了．

解答答案：B．mustn't表示禁止…，千万不能…；can，t表示不能；need，t表示不需要；won，t表示不会．根据"It's dangerous"可知在湖里滑冰太危险了，不可以滑冰，表示明令禁止的事情．故选B

点评本题考查情态动词的用法．解答时注意mustn't表示禁止…，千万不能．

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