UC知道两个英语单项选择题目
来源：百度知道 编辑：UC知道 时间：2024/05/19 06:58:43
1、It is thought that a new system _____ the place of the old one in that company. But things are getting worse and worse. w.w.w.k.s.5.u.c.o.m
A. must have taken B. will take C. won’t take D. had taken
2、Bruce _________his leg when he _____ in a football match yesterday afternoon.
A. broke; played B. has broken; was playing
C. broke; was playing D. was breaking; played
第二题不是用while引导过去进行时吗？
答案是AC，要解释啊
A. must have taken B. will take C. won’t take D. had taken
2、Bruce _________his leg when he _____ in a football match yesterday afternoon.
A. broke; played B. has broken; was playing
C. broke; was playing D. was breaking; played
第二题不是用while引导过去进行时吗？
答案是AC，要解释啊
第一题的关键在把握语意，转折词but很重要。“但是情况正变得越来越糟”说明前面说明了已经采取了一些正面效用的措施，所以前面可以用现在完成时，must表示推测，因为主句it is thought that 指人们认为，所以语气是不确定的。
第二题，when也可以引导过去进行时。用进行时强调他是正在比赛的时候伤了腿。
第一题首先排除B C. 因为要用完成时，A带有推测的意味，因为前面说了是人们认为这个公司用新的体制代替旧的。
when和while都可以引导过去进行时。while还可以表示转折的意味。
1.完成时，肯定语气，看句意就知道了
2.when也可以引导