They left no stone ___________ in their desire to achieve their best.A．turnedB．t_刷题宝

题干

They left no stone ___________ in their desire to achieve their best.

A．turned	B．taken
C．unturned	D．undertaken

上一题下一题 0.4难度单项选择更新时间:2017-10-07 08:01:34

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