Twofifths of the highway________so far.A．has been completedB．was completedC．hav

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Twofifths of the highway________so far.

A．has been completed	B．was completed
C．have been completed	D．has completed

上一题下一题 0.64难度单项选择更新时间:2014-06-15 08:47:17

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