31.By the time we _____the airport, the plane_____.A.arrived at; had taken offB.
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31.By the time we _____the airport, the plane_____.A.arrived at; had taken off | B.had got to; took off | C.got to; had taken away | D.arrived at ; had taken away |
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答案
A |
解析
考查时态。By the time主句用完成时态。根据句意我们到达机场的时候,飞机已经起飞了。可知从句用一般过去时,主句用过去完成时,选A。 |
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