How can he ( ) my book?
How long can he keep/keeps the book?
He can borrow my book=He can borrow a book()()
how can you____who took my book.(查明)
He can find my book.(变一般疑问句)
how long can he____this book
He is taking his book.He can take his book.
He is taking his book He can take his book
how long can i ________the book?
How long can I ____ this book?
How long can the book be ()?
How long can I borrow the book?
How long can I ____the book