PEOPLE SING BECAUSE ... . A. THEY KNOW MANY SONGS. B. THEY ARE GOO...
21. People sing because ... .
A. they know many songs.
B. they are good at singing
C. they want to tell a story.
D. they feel happy.
21. People sing because ... .
A. they know many songs.
B. they are good at singing
C. they want to tell a story.
D. they feel happy.