I failed in the spoken examination last term and only then _______ the importanc
题型：不详难度：来源：
I failed in the spoken examination last term and only then _______ the importance of practicing speaking English.| A．I had realized | B．had I realized | C．I did realize | D．did I realize |
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答案
| D |
解析
| 本题考查倒装。首先由时间状语then确定时态为一般过去时，而时间状语由only引出放于句首，句子产生部分倒装，即助动词提前到主语之前，其他成分保持位置不变。 |
举一反三
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Only when I left my parents for Italy ________ how much I loved them.| A．I realize | B．I had realized | C．had I realized | D．did I realize |
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Only by shouting at the top of his voice _________________.| A．he was able to make himself hear | | B．he was able to make himself heard | | C．was he able to make himself hear | | D．was he able to make himself heard |
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If Joe’s wife won’t go to the party, ________.| A．he will either | B．neither will he | C．he neither will | D．either he will |
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Not only ______ a promise ,but she also kept it.| A．did she make | B．she made | C．does she make | D．had she made |
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