There are some books in his backpack.改为同义句Join them soon改为否定句（ ）（ ）some books in his backpack.按这样改同义句
问题描述：
There are some books in his backpack.改为同义句
Join them soon
改为否定句
（ ）（ ）some books in his backpack.
按这样改同义句
答
否定句：There aren't some books in his backpack.
答
He has some books in his bag.....应该
答
更正楼上所有答案如下：
1.否定句：Don't join them soon.
2.同义句：(He has) some books in his backpack.
答
in his back pack some books are there