All of us found ______ difficult to work out the maths problem.A．whatB．thatC．wh_刷题宝

题干

All of us found ______ difficult to work out the maths problem.

A．what

B．that

C．which

D．it

上一题下一题 0.85难度单项选择更新时间:2010-10-27 04:37:34

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