I think it difficult to answer this question 为什么可以it 不加...答:“it”充当形式宾语,宾语从句后置的情况有下列几种:一、在believe, consider, declare, estimate, fancy, feel, find, guess, hear, imagine, know, make, prove, reckon, think, understand 等动词接复合宾语(宾语+宾补)时,要用it作形式宾语。在这种结构中that不可省略。例如:We find it ...