To test eggs, _____ them in a bowl of water: if they float they're bad, if they sink they're good.

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• 1Because of the heavy sandstorm, we had to put off the visit until tomorrow to the exhibition of painting _____in the nearby city.

  A.to hold

  B.held

  C.holding

  D.being held

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• 2Attention must be paid to ______ science and technology..

  A.develop

  B.developing

  C.development

  D.Developed

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• 3The boys enters the classroom, smiling and______, and_______down to have their lessons

  A.talk; sat

  B.talking; sitting

  C.talking; sat

  D.talked; sitting

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• 4I've never seen anyone perform so beautifully －__________ Tasso play.

  A.just watch

  B.just to watch

  C.just watching

  D.just having watched

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• 5______ in the sports world, a sportsman needs to train constantly to keep himself in best condition.

  A.Survive

  B.Surviving

  C.To survive

  D.Survived

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• 6He ran as fast as he could _____ to catch the early bus.

  A.to hope

  B.hope

  C.hoping

  D.Hoped

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• 7The simple old man died, _______ .

  A.never talking of

  B.never to be spoken

  C.never to be spoken of

  D.never hearing

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• 8---- Mum, why do you always make me eat an egg every day? ---- _________ enough protein and nutrition as you are growing up.

  A.To get

  B.Get

  C.Getting

  D.To be getting

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• 9To learn more about the book, Saving Ourselves, ___________ to www.savingourselves.com.

  A.going

  B.to go

  C.gone

  D.go

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• 10With age, the mineral content of human bones decreases, ______ them more fragile.

  A.make

  B.to make

  C.made

  D.Making

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