You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.

试卷相关题目

• 1______ is even more important is that the earth cooled down, water began to appear on its surface.

  A.When

  B.That

  C.Which

  D.What

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• 2Some people have the idea_____ you can cross Canada in less than five days.

  A.what

  B.that

  C.which

  D.when

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• 3You may keep the book for one more week_____ no one else needs it.

  A.provided that

  B.so that

  C.in order that

  D.in case

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• 4——Your friend Alice looks down today. What is up? ——Well, ________ happened to her was her own fault!

  A.wherever

  B.However

  C.whatever

  D.No matter what

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• 5________ time went by, small clever animals covered the earth and have become the most important animals on the planet.

  A.With

  B.As

  C.Because

  D.During

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• 6___ surprised me most was ____ he was too late for the important meeting, for he was chairman of it.  

  A.What; why

  B.That; how

  C.What; how

  D.That; why

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• 7By improving reading skills, you can read faster and understand more of _______ you read．

  A.that

  B.what

  C.which

  D.whether

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• 8Progress so far has been very good. ______, we are sure that the project will be completed on time.

  A.However

  B.Otherwise

  C.Therefore

  D.Besides

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• 9Having received my wishes, Jane replied with a message ______ she used “U2” instead of “you too” .

  A.which

  B.where

  C.whose

  D.when

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• 10_________ the Internet is bridging the distance between people, it may also break some families or cause other family problems.

  A.As

  B.If

  C.While

  D.Since

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