It is important for us English well.A. to learnB. learningC. learnsD. learned

问题补充：

It is important for us English well.

A. to learn

B. learning

C. learns

D. learned

答案：

(答案→)A. to learn

B. learning

C. learns

D. learned

解析：考查强调句式。句意：对我们来说学好英语很重要。此题考查重要句型结构it’s+形容词+for sb to do sth表示对某人来说做某事怎样。It做形式主语，指代不定式内容，故选A。