用所给动词的适当形式填空。
1. He is ______ (clever) boy in the class.
2. We always have a great time______ (chat) with each other.
3. ______ (take) a bus is much faster than walking,
4. Quiet! The students______ (have) an English class.
5. Could you tell me how______ (get) to the hospital?
6. My mother asks us ______ (not watch) too much TV
