______ they grow they make sure that what is left in the ground after harvesting______ a natural fertilizer for the next year's crop.

试卷相关题目

• 1_____ of the students who took part in the military training is 1450.

  A.A number

  B.A lot

  C.Lots

  D.The number

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• 2The teacher as well as the students who _____ fond of football, _____ playing together.

  A.is; is

  B.are; are

  C.is; are

  D.are; is

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• 3The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them. 

  A.are；is

  B.are；are

  C.is；are

  D.is；is

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• 4________ children whose parents had died in the earthquake ________ sent to other families.

  A.A great number of; was

  B.A large number of; were

  C.The great number of; was

  D.The great number of; were

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• 5One third of the country________covered with trees and the majority of the citizens________black people.

  A.is; are

  B.is; is

  C.are; are

  D.are; is

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• 6This is one of the happiest days ________ spent in my life.

  A.that have ever been

  B.that has never been

  C.which was ever

  D.that had been

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• 7—Jeremy rather than his friends ________ for the accident. —Absolutely. He shouldn't have driven after being drunk.

  A.are to be blamed

  B.are to blame

  C.is to blame

  D.is to be blamed

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• 8Still many Senior Three students haven't realized reading English newspapers _______of great help to their English study.

  A.is

  B.are

  C.have been

  D.had been

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• 9More than one ________ the people heart and soul.

  A.official has served

  B.officials have served

  C.official has served for

  D.officials have served for

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• 10The young ________ the hope of our country.

  A.is

  B.are

  C.were

  D.was

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