He often sings while____.

He often sings while____. little tom often feels sleepy while____(see) films He listened attentively to me ____ while____ at me. He sings better than I am改错 Tom often sings in Chinese.(变祈使句） She often sings English songs in the evenings. She often sings after class变否定句 he sings very well in his class (改为最高级）. he sings ___ ____ _ He sings pop songs,He has many fans. he ( ) skate very well,but he sings very well tom is a ------(good)pupil he sings very -------(good) I sing the same song( )he always sings.