We find important to use a foreign language well.A. thatB. itC. thisD. its

问题补充：

We find important to use a foreign language well.

A. that

B. it

C. this

D. its

答案：

A. that

(答案→)B. it

C. this

D. its

解析：句意：我们发现用好一门外语很重要。固定用法find it +adj +to do sth 发现做某事……, it 做形式宾语，its它的；this这；that那。故选B。

考点: 考查代词的用法。