问题
选择题
| Not until the train pulled into the station _____ that his suitcase was gone. |
A. did he find B. had he found C. he had found D. he found |
答案
答案：A
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| Not until the train pulled into the station _____ that his suitcase was gone. |
A. did he find B. had he found C. he had found D. he found |
答案：A
