问题
选择题
– How soon could they cover the distance?
--- ____________.
A．For two hours
B．During the two hours
C．After two hours
D．In two hours
答案
答案：D
句意：他们多久能走完这段距离。两个小时之后。In + 时间段，表示将来，根据语境所以选D。
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