句型转换 We find that it is difficult to learn several languages at the same time .
问题描述：
句型转换 We find that it is difficult to learn several languages at the same time .
We find____ ____ _____ _____ several languages at the same time.
答
We find it difficult to learn several languages at the same time.
将宾语从句变成有it 做形式宾语,不定式为真正宾语.