SHE ……… THE PIANO SINCE SHE WAS 10.A. PLAYED B. HAS PLAYED...

21. - BAI KIEM TRA SO 2 LOP 10CB
BAI KIEM TRA SO 2 LOP 10CB

21. She ……… the piano since she was 10.

A. played

B. has played

C. had played

D. was playing