想知道是who does this book belong to?还是whom does this book belong to?

想知道是who does this book belong to?还是whom does this book belong to? Who does this watch（belong）to? girl like does this who look whose shirt is this=who does this shirt____ Who likes singing very much?A:Han mei B:I do C:She does D:Li Lei does正确答案是D想知道BC为什么不对,急, 英语翻译Who does this school bag ____ ____ 请问Who does this belong to 这个说法对吗? 这句话为什么用who 不用whom啊 .who does this book belong to? who does this bag belong to 同义句（）（）is this? Who does this schoobag?A.belong B,belong to C.Who does this schoobag?A.belong B,belong to C.to belong D.belong of Silence is Golden(沉默是金）1Does this mean that someone who does not talk will become wealthy?(这是否意味着不说话的人就是富有的?）2Gold is something precious.How does this apply to the meaning of this proverb?(金子是宝贵 Particularly does this observation apply to those who have lost sight and hearing in adult 中的does ＿＿＿does this new bike belong to?A who B whose C who's D whom's ---Who will teach_____English this term?---Mrs Lin____.A.you/does B.you/will who does this van belong to?Whose__this?句意不变,不多于三个单词 ( )does this sth belong to? 空格里填who还是whose ? 这个漂亮女孩是谁翻译成who does this pretty girl is A:Who teaches your Geography this year?B:Mr Zhang does 哪里错了