Desertification，the name for ______ happens when farmable land is turned into desert，is a growing world problem.

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• 1Just like a voyage at sea,our life journey, _______ days are limited,is full of difficulties.

  A.that

  B.which

  C.it

  D.whose

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• 2—All the building materials have been washed away. —So I have heard. But there was no sign ______ a heavy rain was on the way last night.

  A.when

  B.that

  C.which

  D.If

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• 3______ in the regulations that you should not tell other people the password of your e-mail account.

  A.It requires

  B.It is required

  C.What requires

  D.What is required

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• 4_______ has been announced, we shall have our final exams next month.

  A.That

  B.As

  C.It

  D.What

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• 5It was some time _______ we realized the truth.

  A.when

  B.until

  C.since

  D.before

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• 6There was _______ time _______ I hated to go to school.

  A.a；that 

  B.a；when

  C.the；that

  D.the；when

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• 7We are bound to solve the present severe problem, ________ we act intelligently and promptly.

  A.even though

  B.unless

  C.as long as

  D.in case

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• 8Wang Fang ,for ______ a correct way will help communicate __others in a foreign country .

  A.who

  B.whose

  C.whom

  D.which

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