Stay in bed longer today, _____ you were working too late last night. [ ]A.

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Stay in bed longer today, _____ you were working too late last night. [ ]
A. now that
B. except that
C. so that
D. providing that

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举一反三

I _____ tell you the truth _____ you promise to keep it as a secret.[ ]
A. will; as if
B. will; so that
C. won"t; unless
D. won"t; because

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It is human nature to think back to a golden age _____ one"s country was strong and respected. [ ]
A. if
B. when
C. while
D. after

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Scientists say it may be five years _____ it is possible to test this medicine on human patients.[ ]
A. since
B. until
C. before
D. when

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The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time
____ everything returns to normal. [ ]
A. since
B. after
C. unless
D. before

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Try ____ she might, Sue couldn"t get the door open. [ ]
A. if
B. as
C. sine
D. when

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