根据句意，用适当的单词填空。

1. _________my grandpa is over eighty years old, he is very good in health.

2. My cousin has a bad toothache. He is going to see the_________ this Sunday.

3. I'm busy now.  Maybe we can go to the movies _________ time.

4. Sunday is the _________ day of the week.

5. —Can you come to my party tonight?

    —_________, I'd love to.