how long can l the book?you must return it

-How long can I keep this book?-It must ___ (return) by Wedn Must I return the book this week?No,you( ).You can（）it for 2 you can b____my book ,but you must return it on time this bo 今晚（3.6）过后没分了!You must return ______ the book _______to the l How long —l keep the book. how long may l( )the book? How long can the book be （）? How long can I borrow the book? You must return the book on time改为同义句 You must return the book to me on time. Could you tell me how long I can keep the book.为什么用I can you must return the book to the bookshe在这里return怎么翻译