He has been _________ the computer for two hours, chatting with a boy from Australi

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• 1--- What shall we prepare for our picnic this weekend? --- Well, let's discuss it ______ lunch.

  A.at

  B.with

  C.over

  D.by

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• 2Mary gave Jack so much help that he gave her some roses ______ for her kindness

  A.in turn

  B.by turns

  C.in answer

  D.in return

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• 3She was ______ good terms with her twin sister, because they were two of a kind. In other words, they were identical ______ each other.

  A.in; to

  B.in; with

  C.on; with

  D.on; to

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• 4Among customers there are different preferences __________ what is attractive．

  A.in honor of

  B.in place of

  C.in need of

  D.in terms of

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• 5Before selecting the curtain for your newly-decorated house，it's important to know what colors look great _______ the wall paper．

  A.on

  B.with

  C.against

  D.in

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• 6It will cost a lot of time. __________ I think we shall need it and it will certainly be useful to us more or less.

  A.What's more

  B.As a result

  C.On the other hand

  D.After all

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• 7The astronauts have to lie ________ the floor of the spaceship to fight against the great pressure during the flight.

  A.in

  B.beyond

  C.against

  D.at

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• 8The book was written ______ careful observations and detailed studies.

  A.on behalf of

  B.regardless of

  C.on the basis of

  D.in relation of

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• 9________ all my family, I sincerely thank you for what you have done for us.

  A.On behalf of

  B.In honor of

  C.In case of

  D.Instead of

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• 10The manager wants to see changes in the company, and I am sure he will ______.

  A.in particular

  B.in turn

  C.in charge

  D.in time

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