---You have made great progress in English.---____,That`s why I got an A in the English esan.

问题描述:

---You have made great progress in English.---____,That`s why I got an A in the English esan.

So I have.对别人的说法表示肯定是用此答案.如:The fire has gone out.你对事实的肯定回答是:So it has.