HER FATHER HAS TIME TO PLAY WITH HIM , __________ HE IS VERY BUSY...

15. - DE KIEM TRA ANH 9 SO 4 NANG CAO
DE KIEM TRA ANH 9 SO 4 NANG CAO
15. Her father has time to play with him , __________ he is very busy .a. but b. because c. even though d. b and c are correct