Lin Hai and Dave __ his good friends.
I enjoy learning English ________ it takes me a lot of time.
After class, I like playing computer games and chatting ___ my friends ___ the Internet.
The food tastes _________ and sells __________.
Mr Brown taught ________ math when we were in Junior One.
—What can I do for you, madam?—I want __________ orange skirt for my daughter. Have you got any?