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13.Youcan never be too careful when you are crossing the street.(情态动词填空)

分析 过马路时你再怎么小心也不为过.

解答 答案是can.
考查句型cannot be too+adj.to do sth.指:做某事再怎么怎么样也不为过.也就是怎么怎么样是最好的了.句意是:过马路时你再怎么小心也不为过.故答案是can.

点评 本题考查单词填空.首先要根据语境明确句意,然后再根据相关语法决定正确答案.

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