Could have been who helped Suny get her work done?
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Could have been who helped Suny get her work done?
Could have been who helped Suny get her work done?
A they...it B they...them C it...them D it...they
选什么?为什么?
Could have been who helped Suny get her work done?
A they...it B they...them C it...them D it...they
选什么?为什么?
![Could have been who helped Suny get her work done?](/uploads/image/z/4295532-12-2.jpg?t=Could+have+been+who+helped+Suny+get+her+work+done%3F)
c 因为这里的it 是形式主语代替后面的真正主语they
还原成陈述句it could have been them who helped suny get her work done.
还原成陈述句it could have been them who helped suny get her work done.
Could have been who helped Suny 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 done ,could have
the work _ by the time you get there.A.will have been done B
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?
could/should/must/.加have done和have been done区别