用所给词的适当形式填空。
1. We need _____ (wear) warm clothes in winter.
2. There_____ (be)a little water in the glass.
3. Who is the _____ (good) in English in your class?
4. Jim is now' much _____ (happy) than he was one year ago.
5. The students are very_____ (busy) now. They_____ (have) an exam next week.
