David is a tennis player．He to play tennis when he was six years old．（ ）
A．beginsB．will beginC．beganD．has begun
David is a tennis player．He to play tennis when he was six years old．（ ）
A．beginsB．will beginC．beganD．has begun
试题篮
()
粤公网安备 44130202000953号
