Jane is good at singing ____dancing

jane is good at cooking,isnt' Jane is good at singing ____dancing 改错 she is good at sing Jane is good at singing,and she___to sing in her room very often.A.is heard B.was heard C.hears Jane is good at singing ,and she ---------to sing in her room very often 应该填什么 原因：is heard B.hears C.was heard D.heard Jane is good( )singing.( Wang Mei is good at sing English songs改病句 Lucy is good at ___(sing).这个怎么填,为什么? He is good at sing 哪错了? JIamim is good at sing 哪个错了 Jiamin is good at sing中哪个单词错了? The teacher is good at ___(sing).She ___(sing)a song just now. My sister is good at ___(sing),but she isn't good at ___(dance) Jane is playing chess.He is good at() Ait Bthem Cthis Done she is------ at playing,she can sing very ----1 good,well 2 well,good 3 good good 4 well well sing is very good?welll? I think she is good_____ (sing)I think she is good at singing ? 对吗 jane is good at playing the piano,请划分一下句子成分.越细越好.