Are there some keys on the desk?Yes,there are 改错,将序号写在题前的括号内

Are there some keys on the desk?Yes,there are 改错,将序号写在题前的括号内 There are two keys on the desk?(改一般疑问句) There are some books on the desk There are some ______ on the desk Are there a ball on the desk?yes,（ ）（ ）.括号里应该填什么 5.Are there some books in the desk?改错急! There.some.paper on the desk.空白are.还是.is there are some books on the teacher's desk there are some books on the desk改为单数句 There are some water and two pens on the desk. There are some pens on the desk.是什么意思? There are some candies on the desk(改为一般疑问句