On sunday ,Lucy is sing in the afternoon.怎么改?

On sunday ,Lucy is sing in the afternoon.怎么改? 是on the sunday afternoon 还是in the sunday afternoon I bought a clock in a shop on last Sunday afternoon 有错误!怎么改? 是On the last Sunday afternoon还是in the last Sunday afternoon 是on the sunday afternoon 還是in the sunday afternoon It's in the afternoon on Sunday.和It's on the afternoon of Su the film is (on) in the afternoon 是 in Sunday afternoon 还是 on Sunday afternoon Lucy's birthday is on the fifth of June.改同义句 Lucy()()on the listen!lucy 【】【sing】in the next room 改现在进行时 Lucy usually helps her mother in the afternoon?t h this morning.in the afternoon.at nine twenty.on sunday morni