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科目: 來源:不詳 題型:單選題

We should learn how to value what we have ______ it is too late.
A.whenB.a(chǎn)fterC.beforeD.until

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科目: 來源:不詳 題型:單選題


32.I haven’t seen          Maggie since I came here.
A.a(chǎn)s lovely a girl asB.so a lovely girl as
C.a(chǎn) girl as lovely asD.a(chǎn)s a lovely girl as

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科目: 來源:不詳 題型:單選題


. With the introduction of the computer, there is no complicated problem ________ can be solved in a few hours.
A.a(chǎn)sB.whichC.thatD.but

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科目: 來源:不詳 題型:單選題


______ he was ill I was expected to take his place greatly surpried me for I didn’t have much work experience.
A.IfB.If thatC.ThatD.That if

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科目: 來源:不詳 題型:單選題


It was not until I started my own career that I realized     precious time I had wasted before.
A.soB.howC.whatD.that

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科目: 來源:不詳 題型:單選題


The US auto (汽車) industry, a symbol of the American spirit, narrowly escaped a sudden breakdown, _____ China has become the world’s top automaker.
A.whenB.whileC.butD.a(chǎn)lthough

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科目: 來源:不詳 題型:單選題


The food was good, _______ he had little appetite (食欲).
A.soB.otherwiseC.howeverD.but

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科目: 來源:不詳 題型:單選題


—Where is that report?
—I brought it to you _______ you were in Mr. Black’s office yesterday.      
A.ifB.becauseC.whenD.before

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科目: 來源:不詳 題型:單選題


Sally worked late in the evening to finish her report _______ her boss could read it first next morning.
A.so thatB.becauseC.before D.now that

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科目: 來源:不詳 題型:單選題


Some people waste a lot of food ________ others haven’t enough to eat.
A.howeverB.whenC.a(chǎn)sD.while

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