题目内容：

 

1.He likes music. He wants to be a ________ (music).

2.After he gets up in the morning, he takes a shower and brushes his ________ (tooth).

3.He ________ (exercise)every morning.

4.It’s one of our ________ (rule) to wear school uniforms on school days.

5.________ (luck), no one was hurt in the fire.