--Would you like to visit Shantou City with me this summer vacation?

--No, thanks. I it before. Besides, it's hot and humid there in summer.

A. have visited B. visited C. will visit

--Where were your parents at 7:00 last Monday evening?

--They ____. But I was not at home.

A. watched TV B. were watching TV C. are watching TV D. watching TV

---Hi,Joan．I haven’t seen you for weeks．What __________ recently？

---Carrying on some research on wildlife．

A. have you been doing B. have you done C. Were doing D. did you do

—I knocked into a tree when I went to the railway station for my friend.

—I suppose you _____ too fast.

A. drive B. are driving C. have driven D. were driving

–Have you seen Mr. Black these days, Jack?

--Yes, I met him when I ________ in the street yesterday.

A. walked B. was walking C. have walked D. is walking

The manager ____ nothing about the matter ____ he read his secretary’s report.

A. had known, when  B. has known, before C. will know, after D. knew, until

He insisted ____ he was telling the truth, but it seemed nobody ____ him.

A. that, would believe B. why, had believed C. how, could believe D. whether, believed

—Hi: I ______ you for a long time.

— I ______ in Beijing．I’ve just come back.

A. hadn’t seen: am B. didn’t see；will be C. haven’t seen; was

Jack ________ his math test．He said that he would fail it．

A. worry about B. was worried about C. is worried about

—I’m sorry I my homework at home．

—That’s all right．Don’t forget it to school his afternoon．

A. forget；to bring B. left; to take C. left；to bring