When ________ with the United States, China has too much population.A．comparedB．_刷题宝

题干

When ________ with the United States, China has too much population.

A．compared

B．comparing

C．to compare

D．having compared

上一题下一题 0.64难度单项选择更新时间:2016-12-09 04:39:30

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