--Who is the old man talking with your teacher?
---I don’t know. I _ him before.
A.was never seeing | B.had never seen | C.never saw | D.wouldn’t see |
— How’s your tour around the North Lake? Is it beautiful?
— It ______ be, but it is now heavily polluted.
A.will | B.would | C.should | D.must |
The house could fall down soon if no one ______ some quick repair work.
A.does | B.has done | C.is doing | D.had done |
Right now you can pay ______ you had to several years ago for a cool computer.
A.one third as much as | B.as one third much as |
C.as much as one third | D.as much one third as |
The magazine is a(n) ______ number. You can take it out of the reading room.
A.back | B.past | C.old | D.former |
It is the second time that you have been late, ______?
A.haven’t you | B.isn’t it | C.is it | D.have you |