he has hardly any friends here改为反义疑问句 he has hardly any frie

he has hardly any friends here改为反义疑问句 he has hardly any friends here,空空.
we beard her sing the song in the next room改为被动语态
she 空空空空the song in the next room.
they will finish the nice cake in 30minutes对划线部分提问（in 30minutes为划线部分）
空空will they finish the nice cake