__________ is known to us, the PRC was founded on October 1, 1949.A．ItB．AsC．That_刷题宝

题干

__________ is known to us, the PRC was founded on October 1, 1949.

A．It

B．As

C．That

D．What

上一题下一题 0.94难度单项选择更新时间:2019-03-03 02:10:20

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