问题补充:
I often see her the piano. Listen, can you hear her the piano now?
A. play, playing
B. plays, playing
C. playing, plays
D. play, plays
答案:
(答案→)A. play, playing
B. plays, playing
C. playing, plays
D. play, plays
解析:此题重点考查动词应用,see/hear+sb. do sth,表示的是宾补动作已经结束;see/hear++ doing sth.表示的是宾补动作正在进行,根据句意:“我经常看见他弹钢琴,听,你能听到他现在正在弹钢琴吗?”故选A