the writer has written the book( )(since/for)a few days.

The writer has written quite a few books now,___his teachers The woman______herself a writer has never written any books 十万火急的英语问题：he has written a book the name of which i have for Can I borrow the book for a few days?这个句子有问题吗 A book was written on the subject.He has written a book on t He has written a book,the name____I have completely forgotte The exam has been passed for quite a few days.怎么译? he has had the book for two days/he has bought the book for The writer was writing a book those days.用these days改写 The writer was writing a book those days用these days改写 ____ interesting books the young writer has written! 1)Could you wait a few days for the money