Sing a song as you like．

Sing a song or a chant as you like．(唱一首歌或歌谣)

Sing a song or say a poem as you like．

Sing a song or say a chant．(录一首歌或者歌谣)

1)Pen and pencil．

2)What's in the box?

3)Bounce the ball．

4)Happy birthday to you．