that they may eventually reduce the amount of labor needed on construction

题干

that they may eventually reduce the amount of labor needed on construction sites by 90 per-cent.

A．Such construction robots are clever

B．So clever the construction robots are

C．So clever are the construction robots

D．Such clever construction robots are

上一题下一题 0.4难度单项选择更新时间:2012-06-25 07:15:03

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