题目内容
20.You _____ play football in the street.It's too dangerous.( )| A. | wouldn't | B. | needn't | C. | mustn't | D. | couldn't |
分析 你不可以在大街上踢足球.太危险.
解答 答案:C.
wouldn't将不会;needn't不必;mustn't不可以;couldn't不能.根据It's too dangerous,可知太危险了,所以不可以在大街上踢足球,明令禁止做某事一般用mustn't.故选C.
点评 本题考查了情态动词的用法.熟知句意以及所给选项的意思是解答本题的关键.
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