8.Could have been __ who helped Sunny get her work done

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/19 13:51:40

8.Could __ have been ____ who helped Sunny get her work done?
A.they ,it
B.they ,them
C.it,them
D.it,they
为什么不是其他选项?尤其是C?

改为肯定句为 It could have been they who helped Sunny get her work done.是强调句.
如果该成It was they who helped Sunny get her work done.应该可以看出来了吧!(去掉强调的It was...that...应为一个完整的句子they helped Sunny get her work done.)

8.Could __ have been ____ who helped Sunny get her work done Could _ have been _ who helped Sunny get her work done? 英语：Could （） have been ( )who helped Sunny get her work done Could have been who helped Suny get her work done? could have been done ,could have the work _ by the time you get there.A.will have been done B They have done ____ work these days. can be done was done could be done must have been done will 有must/could/can/may/maight have been done吗 ___ more people ,we could have done the work better Who else could have done it but your naughty son All the work (has/have) been done successfully,选哪个?