题目

Now many people smoke and get ill. So we must do something ____them __smoking.A. to stop, to B. stop , from C. to stop , from D. stop, to 答案:【答案】C【解析】句意:现在许多人吸烟并生病,所以我们必须采取措施阻止他们吸烟。根据So we must do something ____them __smoking.可知这里用to引导的不定式短语表示目的,所以排除B、D选项;stop sb.from doing sth.固定搭配“阻止某人做某事”,所以排除A选项;故答案选C。从甲地到乙地客车需要行12小时,货车需要的时间是客车的56,如果两车从甲乙两地相向开出,需要多少小时才能相遇?
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