根据句意,用括号中所给单词的适当形式填空。 |
1. Playing too many computer games is ______ (harm) to you. 2. We should speak to the old man ______ (polite). 3. —How many ______ (tooth) does a dog have? —Sorry, I have no idea. Let's search on the Internet. 4. A computer is ______ (expensive) than a TV set. 5. Have you read ______ (today) newspaper? 6. I ______ (not go) to bed until my mother came back at ten last night. 7. You need _______ (return) the comic book to the library at once. 8. My sister _______ (be) a singer since she left the school. |