23. Where to get the materials and how to get them ________ at the meeting.A．hav

题干

23. Where to get the materials and how to get them ________ at the meeting.

A．have not discussed	B．have not been discussed
C．has not discussed	D．has not been discussed

上一题下一题 0.85难度单项选择更新时间:2010-07-09 05:55:03

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