He has written a book,the name____I have completely forgotte

He has written a book,the name____I have completely forgotte he has written a Book _____name i have forgotten. 十万火急的英语问题：he has written a book the name of which i have for A book was written on the subject.He has written a book on t I remember he's written a book __ I've completely forgotten he has written a book the name of which i've forgotten中the n 英语翻译这句话后半句怎么翻译：He has written a well – known book on the sub he has read the book .it was written by Lu Xun的同义句 急!Ma Yan has written a book,with which she has moved the peo 同义句转化3句7.Mike has written a book on the environment,and Jim 为什么 he have a book 而 l has a book 用 has? He's written a book,the name of which I've forgotten.为什么用of