题目内容
—I still cannot figure out why he missed his flight.
—He ____ an accident on the way to the airport.
A. could have had B. should have had C. would have had D. must have had
A
句意: ——我仍不明白他为什么没赶上飞机。——可能在他去机场的路上出了意外。设空处表示“可能”, 其他选项不能表达此意。
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