61. has been 62. hidden63.in 64. yourself65.It 66. kindness 67. playing 68.differently 69. to interview 70.the短文改错 71.... interested at music. at-in72.. ve had enjoyed去掉had .73.... classes was always... waswere 74.... lessons but also .. but-and 75.... friends which share.... which→who/that 76.... can playing well... playing- play 77.... write song by ..song→ songsi 78.... taking their flute... their-my 79.... the grass comfortable... comfortable- comfortably80. listening the music.the前加to书而丰计