How the pyramids were built is still a mystery.A．excitingB．voluntaryC．a shameD．u_刷题宝

题干

How the pyramids were built is still a mystery.

A．exciting

B．voluntary

C．a shame

D．unknown

上一题下一题 0.94难度单选题更新时间:2019-05-18 09:19:59

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