— What's the price of petrol these days ?   —  It _______ frequently since last year .  

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• 1Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company. 

  A.worked

  B.has been working

  C.is working

  D.works

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• 2— Hi, Jack!When did you arrive in Berlin?— Last weekend. I  __________  a different culture since then.[      ]

  A.was experiencing

  B.will be experiencing

  C.have been experiencing

  D.had been experiencing

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• 3-Sorry for being late. I was held up in the traffic.    -It's all right. I ____ the newspaper,anyway.    

  A.am reading

  B.read

  C.have been reading

  D.have read

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• 4— Where are Jack and Mike? — They  ____ the furniture you asked for into the house.  

  A.have been carrying

  B.carried

  C.have been carried

  D.were carried

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• 5Cathy is taking notes of the grammatical rules in class at Sunshine School,where she ____ Englishfor a year.    

  A.studies

  B.studied

  C.is studying

  D.has been studying

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• 6—When is Jack going to finish writing that program?—I don't know ______ day in and day out.

  A.He has been working

  B.He has worked

  C.He had been working

  D.He was working

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• 7Look at the sweat on her face.She________the house since she got up this morning.

  A.is cleaning

  B.has been cleaned

  C.was cleaning

  D.has been cleaning

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• 8-Hi，Tracy，you look tired.-I________the living room for three hours.

  A.paint

  B.had painted

  C.was painting

  D.have been painting

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• 9—Hi, which university do you prefer?—Well, I've been considering _____ to Harvard University.

  A.to go

  B.going

  C.gone

  D.being going

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• 10They   ____ on this project for l 4 hours, but it’s so difficult to persuade them to have a rest.    

  A.had worked

  B.have been working

  C.worked

  D.are working

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