all that can be done has been done 为什么要用has,不用have
all that can be done has been done 为什么要用has,不用have
all that can be done has been done
Has all that can be done been done?
all that can be done has been done.
All that can be done __been done.请问该用has还是 have?
all that can be done has been done.中的that为
Everything that can be done has been done,___?
has everything that can be done been done句子里的that能不能省略,为什么?如
all that can be done been done.
在all that should be done has been done用了has,但在all that shoul
Everything can be done has been done.请问这里can be done 用的是什么时态
nothing that can be done has been done 可省that吗