She will tell us that each of us has a role ______ in making the earth a better place to live．

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• 1Bowing to others is considered ______ but bowing to difficulty is not considered a good quality    

  A.to be a good manner

  B.a good manners

  C.to be good manners

  D.being good manners

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• 2People are strongly advised _____ legal means to settle their disputes.    

  A.to take

  B.taking

  C.take

  D.to be taken

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• 3Lucy had to shout ________ on the noisy street.  

  A.making herself hear

  B.to make herself hear

  C.making herself heard

  D.to make herself heard

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• 4I have a lot of readings ______ before the end of this term.

  A.completing

  B.to complete

  C.completed

  D.being completed

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• 5I like getting up very early in summer. The morning air is so good________．    

  A.to be breathed

  B.to breathe

  C.breathing

  D.being breathed

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• 6Helen had to shout ________ above the sound of music.     

  A.making herself hear

  B.to make herself hear

  C.making herself heard

  D.to make herself heard

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• 7Dina, ________ for months to find a job as a waitress, finally took a position at a local advertising agency.     

  A.struggling

  B.struggled

  C.having struggled

  D.to struggle

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• 8Once he has determined ________ something, no one can change his mind.

  A.to do

  B.doing

  C.to have done

  D.having done

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• 9________ the safety of gas, the government has checked the city's gas supply system thoroughly.

  A.To ensure

  B.Ensuring

  C.Having ensured

  D.To have ensured

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• 10This is the only way we can imagine ________ the overuse of water in students' bathrooms.

  A.reducing

  B.to reduce

  C.reduced

  D.reduce

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