if the book isn"t yours,____can it be?(who else"s )为什么不填what

if the book isn"t yours,____can it be?(who else"s )为什么不填what The book isn't mine.___ can it be?A.What else B.Who else C.W 1.If this coat isn’t yours,______can it be?A,who else B.whic If this book is not yours,( ) can it be?A,what else B,who el he~s book isn~t yours ,_____can it be If it isn't yours,whose it can be?对呢?还是If it isn't yours,who 1.If this mobile phone isn't yours ,____ is it?A who else B If this magazine isn't yours,____ can it be? The book isn't yours .Maybe it is___ the book is boring .it doesn't intrestme .为什么不能用isn't intres This watch is not kate's ____can it be?(whose ,else) Is it yours?NO,it isn't mine book.It's his.I'd like to buy a