题目内容

4.We_______pay to get in to the concert.It's free.(  )
A.can'tB.mustn'tC.mightnotD.don'thaveto

分析 翻译:我们进入音乐会不必付钱.这是免费的

解答 can't 不可能; mustn't 禁止;might not 可能不;don't have to不必.根据It's free.可知音乐会是免费的,因此不必付钱.故选D.

点评 本题考查情态动词.must和have to两者都表示"必须",但must侧重于说话者的主观看法,have to则侧重指客观需要,含有"不得不"或"被迫"之意.

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