It ’s well-known that ________ information is very important to businessmen.A．ha_刷题宝

题干

It ’s well-known that ________ information is very important to businessmen.

A．having collected

B．collecting

C．collected

D．collect

上一题下一题 0.85难度单项选择更新时间:2011-07-14 04:23:11

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