1. 根据句意及首字母或汉语提示，补全句中所缺单词。

1. （1） Lily is very good at music and she can play the  (钢琴) very well.

3. （2） There is a notice (通知) on the b .Can you see it?
   

5. （3） Jim and Li Lei play basketball in the school basketball  t .
   

7. （4） Don't  w  about your son. He can look after (照顾) himself.
   

9. （5） If you like dancing, you can join the dancing   (倶乐部).