题目内容
16.She _________ wash the dishes now.( )| A. | not has to | B. | not have to | C. | doesn't has to | D. | doesn't have to |
分析 她现在不必洗刷盘子.
解答 答案:D.
根据She _________ wash the dishes now,可知她现在不必洗刷盘子.这里now表示现在的情况,所以时态应该是一般现在时,have to表示不得不,它的否定形式需要再加助动词,这里是she,所以加doesn't后跟动词原形have.故选D.
点评 本题考查了情态动词的用法.解答时首先根据题干明确句意,理解所给选项中每个情态动词的意思并熟练掌握它们的用法,便可作出正确选择.
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