下列各句均有一处错误，请将序号填入括号并改正。( ) 1.Whatdidyoudoyesterday ? Ilistentomusic.
A BC
() 2.Didyouhelpedthemcleantheirroom ?
AB C
( ) 3.WuYifanplayfootballwithhisfriends.
A B C
() 4.Yesterdayishisgrandma'sbirthday.
AB C
() 5.Itstailisabout38kglong.
A B C1. C→listened 2.B→help 3.A→played 4.B→was 5.B→38cm