We often go to work by bicycle, for cycling is highly ______ to health and the environment.

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• 1— Will this Sunday suit you? — Sorry, nobody is _______ on Sundays.

  A.reliable

  B.available

  C.changeable

  D.flexible

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• 2— We got ______complaints about the loud music. — We should have turned it down when we had the party.

  A.a load of

  B.a set of

  C.a little of

  D.a piece of

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• 3She felt _____ of having asked such a silly question when the audience couldn't help laughing.

  A.guilty

  B.crazy

  C.miserable

  D.ashamed

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• 4— Turn on the _____ fan; it's too hot.— Ok , I will.

  A.electric

  B.electricity

  C.electrician

  D.electrical

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• 5Owing to ______ competition among the airlines, travel expenses have been reduced considerably.

  A.fierce

  B.strained

  C.eager

  D.critical

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• 6— It's ______ that you are tired. You should have a rest.— Thanks, maybe you are right.

  A.evident

  B.easy

  C.simple

  D.usual

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• 7The ____ look on her face suggested that she _____ such a result.

  A.puzzling; hadn't expected

  B.puzzled; hadn't expected

  C.puzzling; wouldn't expect

  D.puzzled; shouldn't expect

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• 8The fridge keeps food at a(n) ____ temperature.

  A.instant

  B.convenient

  C.continuous

  D.constant

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• 9As a disability from an accident, moving in a wheelchair in public is really a ____matter for me.I would rather stay at home all the time.

  A.frightening

  B.challenging

  C.frustrating

  D.inspiring

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• 10The _______ look on his face suggested he ______ that.

  A.astonished; hadn't expected

  B.astonishing; hadn't expected

  C.astonishing, hasn't expected

  D.astonished; wouldn't have expected

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