He found it difficult to work out the problem.

问题描述:

He found it difficult to work out the problem.
为什么英语中要有形式宾语,没有它可以吗?

1.若是Vt+名词(O)+形容词(OC),则不可用形式宾语(it),例如:He made his intention clear.I will keep myself warm in the heavy clothing.They held her story true after hearing it.Fast transportation has made ...