Betty is the only one( )will be invited 填who 还是that

Betty is the only one( )will be invited 填who 还是that betty is on duty today.she is c___ the blackborad with an eraser. there is only ( ) bread on the table The only way i love you is eyes on you. there is only an appple on the table=? there is only one apple on the tree=the tree only __ __apple __ it The only rely on betty is prettier than her sisiters改写为betty is 什么两个空of the sisters there is only a book on the table.only at提问 there is only one picture on the wall 对only one 提问 there is only one sheep on the farm.对only one提问 There is only one glass on the table.对only one提问 there is only one cup on the table,only one画线 对划线部分提问 There is only one box on the table对only one提问 现在就要 here is only one book on the desk.(就划线部分提问）only one划线 here is only one book on the desk.(就划线部分提问）only one划线 Betty is the apple of her father is eyes. Daming is a child,Betty is an only child.Who has no brothers or sisters?回答