I _______ ABLE TO PLAY TENNIS SINCE I ________ MY ARM. A. HAVEN’T...

20. - File thứ 1: anhlop10_1311201713
File thứ 1: anhlop10_1311201713

20. I _______ able to play tennis since I ________ my arm.

A. haven’t been/ broke

B. haven’t been/ had broken C. wasn’t / had broken

D. wasn’t / broke