英文改错You've got to be joking.I do not believe you can't choos

英文改错
You've got to be joking.
I do not believe you can't choose your major.
What is your dream job?
It used to be said that all roads lead to Rome!
You'd better also be sure to target exactly what you want.
If you choose a metier which is not your favor,someday you may regret.
In that time,you'll remember the words I said today.
请指出错误,然后写出正确英语答案.