题目内容
14.You'd better not get off the bus before it _______,or you may be hurt.( )| A. | stop | B. | stops | C. | stopped | D. | will stop |
分析 你最好在公共汽车停稳前下车,否则你会受伤.
解答 答案:B 根据句子中before it…可知这是before引导的时间状语从句,主句You'd better not…,从句应该用一般现在时,主语it是第三人称单数,谓语动词用三单形式,故选:B.
点评 根据句子意思,判定句子结构,确定时态,选择合适的动词形式.
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