题目内容
12.Cars and buses ________ stop when the lights turn yellow according to the new traffic law.( )A. | must | B. | mustn't | C. | need | D. | needn't |
分析 根据新的交通法,当交通灯变黄的时候,公共汽车和小轿车必须停止.
解答 答案:A.must必须;mustn't不可以; need需要;needn't不必.根据when the lights turn yellow according to the new traffic law,可知根据新的交通法,当交通灯变黄的时候,公共汽车和小轿车必须停止,must必须,表强制执行.故选A.
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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