问题
选择题
He found very difficult the math problem．
A．that；to solve
B．this；solving
C．it；to solve
D．it；solving
答案
答案：C
题目分析：句意：他发现解决这道数学问题很难.find it + adj. +to do结合句意，故选C
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He found very difficult the math problem．
A．that；to solve
B．this；solving
C．it；to solve
D．it；solving
答案：C
题目分析：句意：他发现解决这道数学问题很难.find it + adj. +to do结合句意，故选C