I don't think ____ possible to master a foreign language with six months.A、it B、that C、this D、those

问题描述:

I don't think ____ possible to master a foreign language with six months.
A、it B、that C、this D、those

选A it
think it possible to do 认为做什么事是可能的
think + it + 形容词 + to do 是一种常见句型

答案是: A

A
sb think it adj.to do sth 固定用法‘ IT 作形式宾语,形容词作宾补,不定式是真正宾语.