MOTHERS HAVE LONG USED FOLK SONGS TO ________ BABIES TO SLEEP.A. B...

12. - DE DAP AN KTRA K10 BAI SO 4 HK2
DE DAP AN KTRA K10 BAI SO 4 HK2

12. Mothers have long used folk songs to ________ babies to sleep.

A. buzz

B. delight

C. sing

D. lull