David talked with a friend of ____ on the Internet for a long time yesterday.

The teacher tells us not to_________[lɑ:f] at others.

 ---Dear me! What a wonderful computer! ---My grandpa bought it for my sister and me. It’s ______.

—What do you think of your host family, Jim?—Great. They try ________ best to make me feel at home.

 —　　　　  gloves are these? —Sorry. I don’t know.