Now more and more people ________ sending e-mails ________ letters.
-- classes do you have this afternoon ? –Three.
Ms.liu often goes to school_____ a car.
-How well she sings!-Yes, she has a very sweet __________.
I usually watch TV in my sitting room _________7:00 and 9:00.
My friend has two coats. One is red, ______ is white.