1. 根据语境从方框中选择恰当的单词填空，有的需要变换形式。

medicine, twice, rabbit, follow, bad

1. （1） Of all the animals, I likebest.
3. （2） Being happy is the best It's good for everyone.
5. （3） My sister has dance lessonsa week.
7. （4） Mr Black went into a supermarket and his sonhim.
9. （5） The situation of the tiger is muchthan before.