过去完成时1.He suddenly remembered he ________________(buy) a coa

过去完成时
1.He suddenly remembered he ________________(buy) a coat already.
2.My grandparents never knew that population __________(be) the biggest problem.
3.__________ you ____________(finish) your homework yet?
4.I _______________(live) in Beijing for ten years before I came here.
5.By the end of last year he ______________(learn) 2000 English words.
6.When we __________(get) to the airport,the plane had left.
7.The famous scientist _______________(give) a lecture the day after tomorrow.
8.On the way home,Mr Smith always _______(buy) a box of chocolate for his children.
9.When I got home,my wife ______________(watch) TV yesterday evening.
10.I forgot ______________ (turn) off the lights in the classroom after school.
1． 他完成工作后,离开了办公室.After he _________ the work,he ________ the office.
2． 我到家时,妈妈已经烧好饭了.
When I ____________ home,mother ________________ cooking.
3． 到去年末为止,我们已经读完了五本书.
__________________________,we _____________________ reading five books.
4． 她告诉我她已经听说了那条好消息.
She ____________ me that he _______________________ of the good news.
1.After the party,some of the students picked up all the rubbish that __________ on the floor of the ball.
A.has been dropped B.has been fallen
C.had been dropped D.had been fallen
2.---- Did you see Mr Smith when you were in France?
---- No,when I ________ France,he had gone to China.
A,had arrived to B.arrived to C.had gone to D.got to
3.The pop singers _________ when I got to the music hall last night.What a pity!
A.have left B.were left C.had left D.left
4.They ________ since the factory opened.
A.had worked here B.have worked here C.worked here
5.Before the boss came back,the workers _________ the car.
A.repaired B.has repaired C.will repair D.had repaired

1.had bought
2.has been
3.Have...finished
4.have lived
5.had learned
6.got
7.will give
8buys
9.was watching
10.to turn
1.After he had finished his work,he left the office.
2.When I got home,mother has been done the cooking.
3.By the end of last year,we had been reading five books.
4.She told me that she had been informed of that good news.
1.C 2.D 3.C 4.B 5.D