there has been four sets of invaders of english为什么用has?
急: 我们的英语书上有这样一句: There has been four sets of invaders of Eng
There have been four sets of invaders of England是什么意思
Neither of us has been to Beijing.为什么用has
介词搭配问题1.In China,the price of TV sets has been reduced _____
Lots of papers has been used by the students这个句子中为什么用“has be
But none of them has been turned to stone yet这句话中为什么用has?
In spite of all that has been said,为什么用has
英语翻译There has been considerable interest in applications of
she has been heard of
Each of the students has an English book.这里为什么用has呀?
there has been...为什么要加been?
A good deal of money has been spent on books.为什么这里是has been,