my favorite instrument is (the) piano.之中的这个括号（ the）用加吗?为什么

为什么piano is a kind of musical instrument句中piano前不加the 根据首字母完成句子1\The piano is a kind of m( ) instrument.2\Every ye 英语翻译：这个乐器是他自己发明的.The instrument is ____ ____ invention. 英语 he is enjoying（）the piano 括号里用play的适当形式 说明理由! My hobby is ________ the piano. 初一英语作文 my favorite instrument the lion is my favorite animal的同义句 Playing the guitar is my favorite.(同义句） The horse is my favorite animals. My favorite lesson is the third 弹钢琴是我的爱好Playing the piano is my hobby还是playing piano is my h ____ of plastics,the instrument is light.(make）