HE ENJOYS ... TO MUSIC WHILE HE'S STUDYING.A. TO LISTEN B. LISTEN C...

1. - 2 DE DAP AN KIEM TRA KI I TIENG ANH 8 20132014
2 DE DAP AN KIEM TRA KI I TIENG ANH 8 20132014

1. He enjoys ... to music while he's studying.

a. to listen

b. listen

c. listening

d. to listening