题目内容
4.You ________ swim here.It is said that sharks have been seen.( )| A. | can | B. | mustn't | C. | needn't |
分析 你不可以在这里游泳.据说鲨鱼被看见过.
解答 答案:B.can,能,会;mustn't不可以,禁止;needn't不必.根据It is said that sharks have been seen,可知这个地方有鲨鱼,所以不可以在这里游泳.mustn't不可以,禁止.故选B.
点评 本题考查了情态动词的用法.熟知句意是解答本题的关键.
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