Mr.wang left home and went to shenzhen in his twenties,where he_____until the 1990s.A stayed B...

题目

Mr.wang left home and went to shenzhen in his twenties,where he_____until the 1990s.A stayed B...
Mr.wang left home and went to shenzhen in his twenties,where he_____until the 1990s.
A stayed B.had stayed C.have stayed D.were staying
希望有具体的解释,

答案

选B过去完成时态
Mr.wang left home and went to shenzhen in his twenties是过去式.后面的表示一直持续的动作,所以是过去完成时态

举一反三

已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．

查看答案

我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好

查看答案

奥巴马演讲不用看稿子.为什么中国领导演讲要看?

查看答案

想找英语初三上学期的首字母填空练习……

查看答案

英语翻译

查看答案