题目内容
9.You _______ wear sports shoes when you climb a mountain.( )A. | can't | B. | shouldn't | C. | mustn't | D. | have to |
分析 句意:你爬山的时候不得不穿运动鞋.
解答 答案:D 根据wear sports shoes,可知爬山的时候你不得不穿运动鞋.前三个选项都是否定的意思,所以都不正确,故选D.
点评 本题考查了情态动词的用法.注意have to是不得不的意思,受客观条件的限制不得不做的事情.
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