____ in the 1800s and first mass-produced in Germany, the harmonica (口琴) was designed to play simplefolk tunes.

试卷相关题目

• 1The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.

  A.being carried out

  B.carrying out

  C.carried out

  D.to carry out

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• 2It's fun to see all the food I have made _____ in such a short time.

  A.eating

  B.to be eaten

  C.being eaten

  D.eaten

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• 3_____ by the bad news, the poor woman couldn't help crying at once.

  A.To shock

  B.Shocking

  C.Being shocked

  D.Shocked

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• 4— Are you going to Frank's wedding party? — Not unless _____.

  A.to invite

  B.invited

  C.inviting

  D.to be invited

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• 5The players _____ from the whole country are expected to bring us honor in this summer game.

  A.selecting

  B.to select

  C.selected

  D.having selected

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• 6I fell down and broke three of my teeth. I wonder how many times I have to come here and get my false teeth _____.

  A.fix

  B.fixing

  C.fixed

  D.to fix

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• 7The manager promised to keep me ____ of how our business was going on.

  A.to be informed

  B.on informing

  C.informed

  D.informing

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• 8— Some money is missing. — Well, we must get the police _____ at once.

  A.to inform

  B.informing

  C.informed of

  D.informed

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• 9The man _____ at the meeting yesterday will be our new manager.

  A.was referred to

  B.referred to

  C.referring to

  D.was referring to

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