Only after they had carried out over ten experiments ______ the decision.A．they
题型：不详难度：来源：
Only after they had carried out over ten experiments ______ the decision.| A．they reached | B．they reach | C．did they reach | D．do they reach |
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答案
| C |
解析
这题考查部分倒装句的用法，当“only+状语”位于句首时，主句用部分倒装，即把助动词、情态动词、be动词放在主语前面，另外注意前面的过去完成时，横线处用过去时，所以选C。
句意是：只有在他们做了十个实验后，才下了决定。 |
举一反三
The manager of the supermarket was so impatient and even rude! I will never go shopping in that supermarket again and __________________. | A．nor will my friends go. | B．neither my friends will go. | | C．nor my friends will go. | D．neither will go my friends. |
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We have no idea at all __________.| A．where he has gone | B．where did he go | | C．which place has he gone | D．where has he gone |
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Next door to ours _________, who has just return from abroad.| A．where lives an old man | B．lives an old man | | C．where does the old man live | D．does an old man live |
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Only in that way _______ ready for the challenges and opportunities in life.| A．will we be | B．we will be | C．will be we | D．we shall be |
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______ at the terrible news that I didn’t know what to say.| A．So sad Mary looked | B． So sad did Mary look | | C．So sadly Mary looked | D． So sadly did Mary look |
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