The bookcase is next to the desk.对划线部分提问 ---------is the bookcase?
是where 变成where is the bookcase?
The bookcase is next to the desk.的意思是 书柜在书桌附近
改成提问就是where is the bookcase 意思是 书柜在哪?
My family photo is on the wall.（改为同义句） The family photo on the wall is---------.
是mine 变成The family photo on the wall is mine
My family photo is on the wall的意思是 我的家庭照在墙上
改成同义The family photo on the wall is mine意思是 在墙上的家庭照是我的