— YOG (青奥会) comes _____summer?— Yes. And the 2nd YOG starts in Nanjing _____August 16.
—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.