用括号中所给单词的适当形式填空。
1. His illness is even ________ (bad) than I thought it would be.
2. Tree-planting Day is on the ________ (twelve) of March every year.
3. This kind of shampoo can make your hair ________ (shine).
4.Now the famous singer ________ (most)plays his own songs.
5. There are two ________ (well) in the small village. People there get water from them.