Question

He has a friend who ____ the piano very well .

A．play

B．playing

C．plays

D．played

Answer 1

C

试题分析：句意：他有个朋友，钢琴弹得很好。句中who引导定语从句，修饰先行词friend；who指代的是a friend,是第三人称单数，所以从句中谓语动词用第三人称单数形式，故选C。