—Everyone in my class passed the exam.
—Oh, really? It ________ difficult.
A.can’t have been | B.needn’t have been |
C.must be | D.mightn’t be |
相关知识点
推荐套卷
—Everyone in my class passed the exam.
—Oh, really? It ________ difficult.
A.can’t have been | B.needn’t have been |
C.must be | D.mightn’t be |