If you have really been studying English for so long, it's about time
you ____ able to write letters in English.
A) should be B) were C) must be D) are
这道题选B,为什么A不对?it is about time虚拟语气有时候不是也用should do吗
Those fights are over mates, which is what Dr Arbour suggests was also going on with ankylosaurs.请教一下亲爱的老师,后面这个which指代逗号前面这句话吗?逗号后面的成分是怎么划分的,谓语是is 还是was呢?Dr Arbour认为的内容是什么呢?甲龙尾巴是...
•We received on February 7 the xx goods that we have ordered, but …该句定语从句中的时态用现在完成时是否正确?可否改成:•We have received the xx goods that we ordered on February 7. but …
It is the first time that I have been here.是否可以将上句that从句作真实主语改为如下使用不定式作真实主语? It is the first time for me to have been here. It is the first time to have been here. It is the first time for me to be here.It is the first time to be here.如果...
John is not such a man ____ would kill anyone.(A)that (B)as (C)who (D)whom书上讲了个句型,有用到 such...as...选B是没错,但是我觉得选 C 用 who 也没错哇,如果用了 who 的话破坏了什么语法规则呢? 请教...