A.had he realized
B.he had realized
C.did he realize
D.he realized
[解析]only then 置于句首,句子采用部分倒装,且与一般过去时连用,故C项正确。
[答案]C
3.(2011·山东省泰安高三冲刺)Only when all the fish in the lake died ________ how serious the pollution was.
A. did the villagers realize
B. the villagers realized
C. had the villagers realized
D. the villagers had realized
[解析]本题考查倒装句和动词时态。句意:只有当湖里所有的鱼都死了,村民们才意识到污染有多严重。“only+when”引导的时间状语从句置于句首,主句需用部分倒装,排除B、D两项;然后根据语境可知,realize 动作并未发生在 died 之前,不能用过去完成时,故A项正确。
[答案]A
4.(2011·三明三校联考)Only by introducing scientific management, I suppose, ________ our company to a bright future and make more profits in the next years.
A. can we bring
B. we have brought
C. we can bring
D. have we brought
[解析]本题考查倒装。句意:我想只有通过引进科学管理,我们才能给公司带来灿烂的明天,我们接下来的几年才能有更大的收益。“only+介词短语”置于句首,句子需用部分倒装;然后再根据语境,bring 动作应发生在将来,故A项正确。
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