题目内容
—You were out when I dropped in at your house.
—Oh,I for a friend from England at the airport.
—Oh,I for a friend from England at the airport.
| A.was waiting | B.had waited |
| C.am waiting | D.have waited |
A
过去进行时可表示过去某一时间正在进行的动作或存在的状态。答语中暗含了when you dropped in at my house。
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