19.All that can be done . A.have been done B.have done C.ha
all that can be done been done.
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.
can be done was done could be done must have been done will
all the things should be done have been done already
done,tobe done,to have been done,to have done,having done,ha
must have been done/must be done
have been done 和 to be done
All that can be done __been done.请问该用has还是 have?
can't be done.should be done.should have done