These are the books.T___ are in backpack.空里填什么?

These are the books.T___ are in backpack.空里填什么? These are the books.T___ are in backpack.怎么写? My books are in the backpack. Are the books in the backpack?（作否定回答） Look!Some books are on the desk,some are in the backpack,and are the English books in the backpack(做肯定回答） His books are in the backpack 对这个句子做肯定回答以及否定回答 用there be句型改two books are in the backpack There are some books in his backpack.改为同义句 The student are t___ after doing these things. These are her books.These books are These are the（ ）（ children ）books.