题目

1.The order came that the medical supplies (be sent) to Beijing for the H1N1 flu soon.
为什么不能用 must be sent?
2.Considering his ability,he (might have done) better.
为什么不能用 could have done?
3.Liza (may) well noe wang to go on the trip —— she hates traveling.
为什么不能用must?
4.I wanted to go the party,but my mom simply (would) not let me out so late at night.
为什么不能用could?
5.When asked anout their opinins abour the schoolmaster,mant teachers would prefer to see him step aside (in favor of) younger men.
这里的in favor of

提问时间：2021-01-17

答案

1.这句话是个同位语从句,that后面的整个句子=前面的order,order后面跟虚拟语气,同位语从句里面用should +原型的形式,should可以省略
2.may比can的语气更委婉,这里也是虚拟,相信你们老师也讲过吧,语气程度may＜can＜must
3.must 语气最强烈,一般是一定,必须的意思,某种程度上说隐含命令的意思
4.显然这里是一个 过去将来时,我本来will 去,但是那个时候被我妈妈组织,所以是will not,根据整个句子的时态,所以是would not,can/could表示一种能力,能否去
5.in favor of是赞成,支持的意思