提问there are some books and pens 为什么用（what are there/what is）

提问there are some books and pens 为什么用（what are there/what is） There are some books and pens on the table.对主语进行提问 应该是What's _______ on the table?there are some books and pens.A.what ar 为什么There are some books on the table.的特殊疑问句是What is there on what is on the desk?There are some books为什么是对的? what'er__________(在书包里）?There are some books. there are some books and pens in the desk.(否定句） there are some sweets and a big cake on the table.用what提问理由 there are some sweets and a big cake on the table.用what提问 What are there is -dad ,what __in the desk? -there are some books and a pencil are,pens,and,books,there,some,desk,the,on连词成句