We asked Philip to come with us, __________he knew the road.A．beforeB．whileC．asD_刷题宝

题干

We asked Philip to come with us, __________he knew the road.

A．before

B．while

C．as

D．unless

上一题下一题 0.85难度单项选择更新时间:2010-07-05 07:54:33

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