The book on the sofa is Mary's 提问
The book on the sofa is Mary's 提问
Mary's backpack is on the sofa.(就on the sofa 提问)
The book on the sofe is an english book.划线句提问 on the sofa (
The man on the sofa is Peter's brother.(对on the sofa提问)
Thepen is on the sofa对on the sofa提问
The watch on the sofa is y father's.对my father's 提问.---- ---
{The man on the sofa} is Tom's grandfather 对括号内容提问
The watch is on the sofa对划线部分提问(on the sofa)
The backpack is on the (sofa)对划线部分提问
Her backpack is on the sofa.对划线部分提问(on the sofa)
your watch is on the sofa 对 on the sofa 提问
my hat is on the sofa对画线部分提问