Tony used to to school, but he is used to to school now.A. walk; taking a bus B. walked; took a bus C. walk; take a bus
—How often do you clean your classroom? —_________.
— ____________, sir? —I’d like to buy a gift for my friend.
The price of the computer is not _____ but cars are very _________.
The student _______a lot of money _______books.
_______can help you keep healthy.