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.