However _____ they are designed, pens should function as a tool to write with.A．_刷题宝

题干

However _____ they are designed, pens should function as a tool to write with.

A．differ

B．difference

C．different

D．differently

上一题下一题 0.85难度单项选择更新时间:2010-07-10 04:40:07

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