All of us found ______ difficult to work out the maths problem. A．what B．that C．which D．it
2023-01-26 02:00:16 103次 2010年海南省高一上学期教学质量监测（一）英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
All of us found ______ difficult to
work out the maths problem.
|
A．what
|
B．that
|
C．which
|
D．it
|
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