Not until I read your letter ________ the true state of the affairs.A.did I unde
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Not until I read your letter ________ the true state of the affairs.A.did I understand | B.had I understood | C.I understood | D.I had understood |
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答案
A |
解析
考查倒装。否定结构Not until置于句首时,主句要用部分倒装,由此可以排除C、D两项;此外,understand这一动作和“read”几乎是同时发生的,都发生在过去的某个时间,因此用一般过去时态。故A项正确。 |
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