i think it important ____ english well A learning B learn C to learn 选几啊为什么

问题描述:

i think it important ____ english well A learning B learn C to learn 选几啊为什么

C 是正确答案.
I(主语) think(谓语) it(形式宾语) important(宾语补足语) to learn English well(真正宾语)