---John, my computer doesn’t work. --- Why not ask Mr. Liu __________ it?A. checking B. to check C. to buy
My uncle is going to ________ Dalian next year .
My aunt is going to retire___________.
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.