I think important to learn English well.A. thisB. thatC. itD. you are

问题补充：

I think important to learn English well.

A. this

B. that

C. it

D. you are

答案：

A. this

B. that

(答案→)C. it

D. you are

解析：本题考查代词。句中it作形式宾语，真正的宾语为不定式to learn English well。句意：我认为学好英语很重要。