用所给词的适当形式填空。

1. Jack is a kind young man. He is very _____ (help) and people all like him.

2. We have sports _____ (two) a week.

3. Today is my _____ (one) day at school. I'm happy to see my new classmates.

4. The shop is _____ (close) at this time of the day.

5. Nick loves swimming. He is a good _____ (swim).

6. Sometimes we have dinner at my _____ (grandparent) home.