Question

选择题What you have done has made _____possible for me to make rapid progress in English.

A.it B.this C.that D.these 详细一点，要翻译，解释一下。

Answer 1

A it
翻译：你所做的使我的英语取得了飞速的进步。
make it possible for sb to do sth 使得某人做某事成为可能

Answer 2

A it
it作形式宾语，真正的宾语是后面的动词不定式结构to make.....
你所做的使我在英语水平上的快速提高成为可能

Answer 3

A.it

Answer 4

A.
it 是形式宾语，不定式是真正的宾语
make it possible for sb to do sth是固定搭配。 做什么事情有可能
你所做的有可能快速提高我的英语水平

Answer 5

一楼的正解，完整的结构是：
动词 it adj./n. (for/of sb) to do sth
当前面是用名词时，后用for
当前面的形容词是修饰人时，用of; 修饰不定式时，用for .如：
We think it our duty for us to help others.
I find it difficult for him to finish the job in such a thort time.
I think it nice of you to help him.

Answer 6

A.