My best friend , ____ fifteen-year-old Tony said, “ I enjoy sailing alone.”A. a B. an C. /
— ____________, 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.
On the Spring Festival, we often eat ______.