从方框中选择短语并用其适当形式填空
on earth ,hear of ,not only...but also ,at the age of ,belong to
1.Jim's sister became a famous writer ____ nineteen.
2.Mr Green is ____ our English teacher ____ our good friend.
3.---Whose backpark is this?
---Oh,I think it must _____Susan.
4.---Have you ever ____ Jackie Chen?
---Yes,of course.He is a famous action movie star.
5.Nobody knows what ____ that kind of animal is.