Since the opening and reform policy, China    a boom in its economy.A.enjoysB.ha

Since the opening and reform policy, China    a boom in its economy.A.enjoysB.ha

题型:不详难度:来源:
Since the opening and reform policy, China    a boom in its economy.
A.enjoysB.has been enjoyingC.enjoyedD.having enjoyed

答案
B
解析
考查时态。句意:自从改革开放政策以来,中国一直经济繁荣。用现在完成进行时态表示的是从过去到现在还要持续下去。根据题意中国的经济还要繁荣下去。故选B。
举一反三
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A.was heldB.was holdingC.will be heldD.will be holding

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When we reached the stadium in a rush,  the newly-elected major ____ his speech and the performance _______.
A.have finished ; beganB.had just finished; was about to begin
C.had just finished; had begunD.just finished; began

题型:不详难度:| 查看答案
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A.roseB.is risingC.have risen D.has risen

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A.have been coughingB.had coughedC.coughedD.cough

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A.will have spentB.will spendC.will be spendingD.have spent

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