—Is Jack on duty today?
—It ________ be him. It’s his turn tomorrow.
A.mustn’t | B.won’t |
C.can’t | D.needn’t |
相关知识点
推荐套卷
—Is Jack on duty today?
—It ________ be him. It’s his turn tomorrow.
A.mustn’t | B.won’t |
C.can’t | D.needn’t |