题目内容：

老师您好,请问：She found _______very difficult to learn math _____ A.it"s;well B.it"s;well
为什么选B

优质解答

She found it very difficult to learn math well
你的答案AB一样.
find it +形容词+to do 是一个固定结构, find后面跟的不是句子, 而是it做形式宾语