I CAN’T HEAR WHAT YOU ARE SAYING. CAN YOU ... THE RADIO

549. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN
1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN

549. I can’t hear what you are saying. Can you ... the radio?

A. turn up

B. turn off

C. turn on

D. turn over