根据括号中的汉语提示, 用单词的适当形式填空。

1. —When did you _______(成为) a soccer player?

    —Two years ago.

2. Mike is the old woman’s _______(孙子).

3. The boy is good at ________(滑冰).

4. —Is the great musician ________(活着的)? 

    —Yes. He is 88 years old.

5. This is a map of _______(亚洲).