A.They are singing a song on the stage.
A.這些人在臺上唱歌。
B.The woman is dancing next to the player.
B.這個女人在樂手旁邊跳舞。
C.They are playing some musical instruments.
C.這群人在演奏樂器。
D.People are hanging pictures on the wall.
D.人們在把一幅畫掛在墻上。