It is several years since he ______ ill and his illness _______ great damage to his health.
| A．fell; has done | B．fell; does | C．was; had done | D．felt; has done |
--- Are you going to attend Jay Chou Concert in Suqian this weekend?
--- ______. It’s too good a chance to miss. I’m his die-hard fan.
| A．It’s up to you | B．That’s for sure |
| C．Bad news travels fast | D．I have faith in him |
--- Who ______ it be that is singing in the next room?
--- It _______ be Lucy, but I am not sure.
| A．can ; may | B．may ; can | C．can; must | D．must; may |
Not until World War II ______ to use new chemical techniques to purify penicillin.
| A．they managed | B．that they managed |
| C．did they manage | D．they didn’t manage |
--- What did the manager say at yesterday’s meeting?
--- So you______ to him carefully.
| A．won’t listen | B．weren’t listening |
| C．hadn’t listened | D．haven’t listened |
--- Did Jack come back early last night?
--- Yes. It was not yet eight o’clock ______ he arrived home.
| A．before | B．until | C．when | D．af ter |