One recent prediction is that within the next 50 years, it ______ possible to link the human brain directly with a computer．

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• 1The first thing she did _____ up to her trainer and thanked her.

  A.was go

  B.was going

  C.and went

  D.go

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• 2Great changes ______ in the city, and a lot of new buildings ______.

  A.have been taken place; have been set up

  B.have taken place; have been set up

  C.have taken place; have set up

  D.were taken place; were set up

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• 3Sound travels in the same way as light _____.

  A.travel

  B.has done

  C.traveled

  D.does

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• 4It's reported that by the end of this month the output of cement in the factory _____ by about 10%.

  A.will have risen

  B.has risen

  C.has been risen

  D.will be rising

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• 5Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou________yet.

  A.hadn't come

  B.won't come

  C.hasn't come

  D.didn't come

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• 6A: What's the matter, Sara? You wear a sad look on your face. B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.

  A.just thought

  B.have just been thinking

  C.was just thinking

  D.have just thought

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• 7The big city has always been the dream career destination of college students. But of late a trend of heading back home ________a part of future job considerations.

  A.has become

  B.had become

  C.becomes

  D.will become

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• 8—— “Did you have breakfast this morning? —— “_____.”

  A.Yes, I had

  B.Yes, I did

  C.No, I hadn't

  D.No, I didn't hav

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• 9You'd better wash the shirt in cold water, or the color ______．

  A.runs

  B.is running

  C.will run

  D.has run

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• 10She is not always so friendly. I wonder what she________.

  A.wants

  B.is wanting

  C.has wanted

  D.will want

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