Loudspeaker were fixed in the hall so that everyone （）an opportun_英语解答

Loudspeaker 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
在星火的词汇与语法书里选的是c,在星火真题里面有说是D,正确答案到底是哪一个

人气：350 ℃　时间：2020-01-31 22:23:24

解答

D.从were可以看出是过去式,所以may绝对不对.从意思上来看,AB也不对,只能选D.为什么是过去时就不能用maymay是原形，用在现在时里面。如果是过去式必须用might。