问题
选择题
— I don't know _____ the piano.
— Don't worry. I can teach you. [ ]
A. how to play
B. when to play
C. how playing
D. when playing
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— I don't know _____ the piano.
— Don't worry. I can teach you. [ ]
A. how to play
B. when to play
C. how playing
D. when playing
答案：A