Never before______ so highly successful in his attempts to forecast the weather
题型：不详难度：来源：
Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale．| A．man has been | B．man is | C．has man been | D．will be man |
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答案
| C |
解析
| （考查时态和倒装句型。never置于句首时句子要倒装。never before用于现在完成时，因此答案为C。） |
举一反三
Only when I left my parents for Italy __ how much I loved them.| A．I realized | B．I had realized | | C．had I realized | D．did I realize |
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Only by practicing every day ___________ English well.| A．can we learn | B．we can learn | C．did we learn | D．learn we |
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—How was the 2008 Beijing Olympic opening ceremony?
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