Do you know whose book this is 请问句子成分?

Do you know whose book this is 请问句子成分? 小题1:—Do you know whose book this is? —Let me see. Oh, it’s L 同义句 Do you know whose computer this is Do you know what this is?什么句子成分 Do you know whose handbag this is?Do you kow who this handba whose dog is this?do you know?i don not know who is its m--- Do you know who is the a________ of this book? whose is this book? Whose book is this? 英语连词成句know you is bike whose do this Do you know( )dress it is?请问这个空能不能填whose? Whose is this book ?对吗?