All of us found difficult to work out the maths problem.A. whatB. thatC. whichD. it

发布时间：2020-08-16 14:38:01

All of us found      difficult to work out the maths problem.
A. what
B. that
C. which
D. it

网友回答

A. what
B. that
C. which
(答案→)D. it
解析：考查代词。本题用it作形式宾语，真正的宾语为不定式to work out the maths problem，故选D。
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