问题
选择题
| Much to my disappointment, by the time I got to the airport, the flight to London _____. |
A. had taken off B. has taken off C. took off D. will have taken off |
答案
答案：A
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| Much to my disappointment, by the time I got to the airport, the flight to London _____. |
A. had taken off B. has taken off C. took off D. will have taken off |
答案：A