Yesterday I got a copy of BBC, Modern English at a bookshop; after I read it, I went on the New Concept English.

A．Vegetables.
B．Meats.
C．Fruits.
D．Cookies.

A．to tell us how expert drivers try to save gas
B．to tell us how to drive a car properly
C．to tell us how to make a car run smoothly
D．to tell us how to make your car consume less gas