Tom has lived in Shanghai ________ three months ago.

A. for

B. since

C. before

D. in

?I'm sorry, Cathy. I ________ your radio for such a long time.

?Never mind.

A. have borrowed

B. have lent

C. have kept

D. have returned

Mr Zhang ________ physics in Beijing since 1990.

A. teach

B. teaches

C. taught

D. has taught

?Where's Peter?

?He ________ Nanjing for three days.

A. is going

B. has been

C. has gone to

D. has been in

?________ has Mr Brown been in USA?

?Since two years ago.

A. When

B. How long

C. How many times

D. How soon

?How do you like Beijing, Mr Black?

?Oh, I ________ such a beautiful city.

A. don't visit

B. didn't visit

C. haven't visited

D. hadn't visited

?Ann has gone to Shanghai.

?So ________ her parents.

A. do

B. had

C. did

D. have

I spent half an hour ________ my homework.

A. finish doing

B. in finish doing

C. finishing to do

D. finishing doing

?Have you ________ been abroad?

?________ .

A. ever; Never

B. never; Still

C. before; Ever

D. just now; Not yet

I have ________ the book everywhere but I can't ________ it.

A. found; find

B. looked for; find

C. found; look for

D. looked for; looked for