1.看到这么一个例句：As an old saying it that half of advertising bouget are wasted, the trouble is that no one knows which half. 请问老师，it能做先行词，或者后面跟定语从句，同位语从句之类的？ 比如：（自己编的，如果不对，还请老师指出）...
...sis and covid-19, the EU's output will be 20%, or €3trn, smaller than if it had kept up the growth it managed in 2000-07. 请教各位老师：1. 这句话的主干是什么呢？2. 如何理解had kept up the growth 这个过去完成时的使用呢？这个过去完成时是表示“与过去...
Almost immediately he began to complain about the weather, for even though it was still summer, it rained continually and it was often bitterly cold.现在自己知道even though it was still summer是让步状语从句，it rained continually and it was often bitterly cold.是这个让步状语的...
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
... ▲crisis▲decline ▲overthrow▲be down to ▲*scale▲emperor ▲in one’s own right▲outstanding ▲exhibition▲rare ▲speak volumes about▲historic ▲career说明：以上收录了...