用所给单词的适当形式填空。

1.You can see many ________ (country) in the map of sea world.

2. He is a famous ________ (act).

3. I go to the library three ________ (time) a week.

4. Look! Kitty and her young sister are ________ (run) over there.

5. My bedroom is on the ________ (one) floor, and his is on the second floor.