—I looked after a group of fifteen French children.
—That _________ easy!
A.mustn’t be | B.mustn’t have been |
C.can’t have been | D.wasn’t |
推荐套卷
—I looked after a group of fifteen French children.
—That _________ easy!
A.mustn’t be | B.mustn’t have been |
C.can’t have been | D.wasn’t |