问题
选择题
The main road _____ for repairs, so we had to change the route to the downtown.
A．is being closed
B．has been closed
C．was to be closed
D．had been closed
答案
答案：D
考查时态。根据句意可知：主干道已经被关闭在修，根据时态故用过去完成时，选D。
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