学校实现教育目的的基本途径是（）
A.教学
B.课外活动
C.生产活动
D.社会劳动
参考答案：A
埋置深度
—What were you doing when I called you at 8 p.m. yesterday?
—I the piano at that time.
A．play
B．is playing
C．played
D．was playing
