The workers _____busily when the boss came to look for something she ______in the office.
A had worked, had left B were working ; had left C working ; had left D had worked; left
Shy people often avoid situations _____would force them into close contact with other people.
A.where | B.which | C.when | D.what |
-----How long do you think it will be _____man can finally solve the problem of cancer?
------Well.it depends.
A.when | B.until | C.after | D.before |
I listened to a report about the Diaoyu Island Dispute last weekend and that was the first time Iabout the subject.
A.have heard | B.had heard | C.heard | D.would hear |
--------Is it all right if I smoke here?
------- _______,sir.This is a non-smoking section.
A.No way | B.Go ahead | C.Better not | D.As you please |
If we sit near ______ front of the bus,we will have ________ better view.
A.不填;the | B.不填;a | C.the;a | D.the; the |