A recent study has come up with _____ unexpected conclusion that ____ Africa elephants should be divided into two different species.

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• 1In order to find ______better job, he decided to study _________ second foreign language.

  A.the; a

  B.the; the

  C.a; a

  D.a; the

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• 2In most western countries, on April Fool's Day, people often play ________ trick on each other; children especially have great ______ fun.

  A.a; a

  B.the; the

  C./; a

  D.a; /

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• 3It is suggested that you live ______ good and honorable life. Then when you get older and think back, you'll get to enjoy it ______ second time.

  A.a; the

  B.a; /

  C.a; a

  D./; the

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• 4When you come here for your holiday next time, don't go to ______ hotel; I can find you ______ bed in my flat .

  A.a; the

  B.the ; /

  C.a ; /

  D.the ; a

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• 5Most scientists seem to agree that ________ certain limit should be set on ______ sale of cars to ease air pollution.

  A.a; the

  B./; the

  C.the; /

  D.the; the

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• 6We need an effective strategy to help children living in ______ poverty to have the opportunity to receive ______ good education.

  A./ ; a

  B.a ; /

  C./ ; the

  D.the ; a

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• 7Jumping out of ______ airplane at ten thousand feet is quite ______ exciting experience.

  A./; an

  B./; the

  C.an; an

  D.the; the

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• 8According to the local newspaper, _____ electric shock happening in the kindergarten came as _____ big shock to the public.

  A.不填；the

  B.the；a

  C.不填；a　

  D.the；the

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• 9Our experiment had got into _____trouble, so we decided to take _____ chance and add more water, and luckily, we succeeded.

  A./ ; /

  B./ ; a

  C.the; a

  D.a; a

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• 10In most western countries, on April Fool's Day，people often play _____  trick on each other; children especially have great  _______  fun.

  A.a；a

  B.the；the

  C.不填；a

  D.a；不填

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