loudspeakers were fixed in the hall so that everyone ()an opportunity to hear the speech.
问题描述：
loudspeakers were fixed in the hall so that everyone ()an opportunity to hear the speech.
a.ought to have b.must have c.may have d.should have四个选项选哪个,并说明原因.2006专四考题,懂得进.
答
a.ought to have 近似should,但含有义务责任所以不选b.must have 语气强硬 必须c.may have 改成might 就是标答d.should have 只有D 了2006专四考题,真的吗?怪题loudspeakers were fixed in the hall so that everyon...买的是星火的，一本真题一本语法讲解，题目一模一样，一本答案是c，一本答案是d，所以懵了。。。为什么改成might就是标答。。。买的是星火的，一本真题一本语法讲解，题目一模一样，一本答案是c，一本答案是d，所以懵了。。。为什么改成might就是标答。。。观察 he got up early so that (目的状从)he could/ might catch the bus. 目的状从里面常用情态动词can/may本题用过去时所以用might，may就不可以了只好should每人都应该有机会听得到了