—What’s this? — .A. This is A B. It’s A C. That is A
He is going to be a computer programmer when he _______ college.
She’s going to take ________ lessons because she wants to be an actress.
I’m going to be ______ engineer.
He’s going to practice _______ basketball every day.
---What is he going to ________ when he _______ up ? --- He’s going to be a doctor .