He gave us another piece of advice, ________ of great help to the research work.

题干

A．which I think is	B．which I think it is
C．I think which is	D．I think it is

上一题下一题 0.64难度单项选择更新时间:2013-03-28 05:39:46

小学学科试题库

初中学科试题库

高中学科试题库