1 . —The telephone line to the headmaster is always busy.
—Someone ______ the telephone.
—Someone ______ the telephone.
A.need use | B.should use | C.must be using | D.must use |
您最近半年使用:0次
11-12高二·山西·阶段练习
2 . —I visited France last year.
—That interesting.
—That interesting.
A.was | B.can be | C.must be | D.must have been |
您最近半年使用:0次