Chinese vessels ________ 646,000 square kilometers in the southern Indian Ocean

题干

Chinese vessels ________ 646,000 square kilometers in the southern Indian Ocean in search of the missing Malaysian flight MH370.

A．have covered

B．have looked

C．has travelled

D．had searched

上一题下一题 0.65难度单项选择更新时间:2014-06-05 03:26:47

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