It is diving _____ great speed that often causes serious accidents.A．onB．atC．fo_刷题宝

题干

It is diving _____ great speed that often causes serious accidents.

A．on

B．at

C．for

D．in

上一题下一题 0.85难度单项选择更新时间:2010-09-20 01:45:15

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