______we cannot close the gulf between us, we can try to bridge it so that we ma

题干

______we cannot close the gulf between us, we can try to bridge it so that we may be able to talk across it.

A．Unless

B． As

C．While

D．If

上一题下一题 0.85难度单项选择更新时间:2014-12-09 06:39:58

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