是playing a piano 还是playing piano
来源：学生作业帮助网 编辑：六六作业网 时间：2024/07/04 06:10:39
是playingapiano还是playingpiano是playingapiano还是playingpiano是playingapiano还是playingpianoplayingthepiano乐
是playing a piano 还是playing piano
是playing a piano 还是playing piano
是playing a piano 还是playing piano
playing the piano
乐器前用the
这里只有选前者了
playing the piano
play the piano必须加定冠词
playing the piano