Question

I think it inportant English well.

a.learning b.learn c.to learn.d.learned

Answer 1

答案选C
i think it important to learn english well.
这里的it 是形式宾语，真正地宾语是后面的to learn english well, 之所以需要形式宾语，是因为宾语太长了，为了不影响句子的结构的美感，于是英国人将不定式放到句子的后面，然后再原来的地方使用了it 作为形式宾语

Answer 2

选C呀。 to learn

Answer 3

A