Whose backpack do you think ____?A.THIS IS B,IS THIS

Whose backpack do you think ____?A.THIS IS B,IS THIS 那为什么Whose backpack do you think ____?填is this 是“whose backpack is this "还是“whose backpack this is "为什么? Jim is a good boy,do you think ____?A.such B.THIS C.so D.tah a backpack.A.That is B.This is __________?Maybe.What do you think?A Is this your T-shirt B Do you know whose book this is 请问句子成分? 同义句 Do you know whose computer this is This is a backpack.（对.backpack提问） 这是谁的衬衫 A.whose shirt is this B.whose is this shirt?那个对 根据意思选择Whose sports shoes ____?A are these B is this C are th ____ (Who/Whose) is this hairdryer?