Question

一些简单的英语选择题

We ( )the encyclopedia;the kids never look at it
A.didn't need to buy
B.needn't have bought
请问这里为什么不能选A啊？

It's a good thing tht they got her to hospital in time .Her condition was so critical that she ( )
A.shall have died B.could die
C.could have died D.should die
解释一下选择的原因~谢谢~！

Answer 1

needn't have done表示本来不需要做但是却做了的事，A没有表达出这层意思.第二题选C,can表示一种可能性，因为条件是过去，所以用can的过去式could，后面的动词用完成时，could have died表示可能已经死了

Answer 2

1 时态不对 原题 后面是 一般现在时 选A成了 过去式了了
2A 虚拟语气 事情没有发生 故用虚拟语气 而虚拟语气 则是固定的 搭配 ~~~