EvergreenTeenBookClubOfferTheEvergreenTeenBookClubinvitesyoutojoinusandtakefulladvantageofourlimited-timeintroductoryoffer．Ifyoujoinourclub，youwillreceiveacertificatefor3freebooks．Theseareyourstokeep，even

　　Evergreen Teen Book Club Offer

　　The Evergreen Teen Book Club invites you to join us and take full advantage of our limited-time introductory offer．

　　If you join our club，you will receive a certificate for 3free books．These are yours to keep，even if you decide to cancel your membership．However，if you decide to purchase just one book at the regular club price，you will receive a certificate for an additional 3free selections after your first order is placed．

　　As our member，you can benefit from all of our super sales and our Bonus Program．You accumulate （积累） 2bonus points with each cash purchase of one book．Every 6bonus points will earn you a certificate for one free book!

　　To join our club，fill in the brief application listing your name，address，and phone number on the postage-paid card at the bottom of this page．Then drop the card in the mail and our present catalog will be immediately mailed out to you for your 3free selections!

　　This catalog offers a wide selection of over 500books in every issue，including mysteries，adventures，biographies，cookbooks，sports，and many more．Our catalog also contains interviews with your favorite authors，reviews of newly published novels，and a teen top-ten list for both fiction and nonfiction．

　　Once you are a member，you will receive our catalog monthly，but you don't need to purchase any selections．We send you only exactly what you order．

　　If you join before June 30th，we will also provide complimentary shipping （免费送货），even if you choose to order nothing except your 3free books．

　　You can build a great book collection!

　　Begin now by taking advantage of this great offer．

　　53．If you join the Evergreen Teen Book Club，you can___．

　　A．buy books at cost price

　　B．receive a gift after each order

　　C．expect 3free books each month

　　D．get one free book for a cash purchase of 3books

　　54．If Lily wants to get free delivery，she should__