We know _____ America is great not because it is perfect but because it can always be made better and _____ the unfinished work of perfecting the union falls to each of its citizens.

试卷相关题目

• 1Start out right away, ________ you'll miss the first train.

  A.and

  B.but

  C.or

  D.while

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• 2______ we have confidence and determination, we can win the match.

  A.Once

  B.Since

  C.Unless

  D.As long as

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• 3I was putting on my shirt ______ my telephone rang.

  A.while

  B.when

  C.as

  D.before

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• 4Sometimes people just believe what they see, ______the reality may be different.

  A.as if

  B.even though

  C.since

  D.unless

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• 5— Will you go out to play for a while, Kate? —Not _____ I finish all of my homework.

  A.when

  B.if

  C.after

  D.unless

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• 6Being a teacher, you must observe your behavior, for ________ you say and do has a life-long effect on your students.

  A.that

  B.which

  C.what

  D.as

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• 7Please remind me of the meeting again tomorrow ________I forget.

  A.though　　　

  B.so that

  C.in case

  D.until

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• 8_____ the majority of people you will meet when travelling are sure to be friendly, there are dangers-theft being the most common.

  A.Since

  B.Unless

  C.While

  D.Once

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• 9After a long journey, those young men finally reached ______ they called the paradise.

  A.where

  B.what

  C.in which

  D.that

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• 10I am determined to get a ticket for the concert _________ it means standing in a line all night.

  A.as though

  B.even if

  C.as if

  D.so that

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