1.The books are in the bookcase.（改否定句）
问题描述：
1.The books are in the bookcase.（改否定句）
2.The baseball is under the bed.（改一般疑问句）
3.The pictures are {on the wal.} （对{ }的部分提问）
4.Is the CD on the sofa?（做肯定回答）
5.Are the chairs next to the table?（做否定回答）
6.on,T-shirt,the,his,is,bed （连词成句）
答
1.The books are not in the bookcase.
2.Is the baseball under the bed?
3.where are the pictures?
4.Yes,it is.
5.No,they aren't.
6.His T-shirt is on the bed.