B )3.-Is that your book? It's his. A.No,that isn’t. B.No,it isn’t. C.Yes,it is. D.Yes,that is. A )4.-Excuse.Is this your book? -Yes,it is. A.me B.I C.my D.mine 导航页
导航页 ( )3. —Is that your book? — It’s his. A. No, that isn’t. B. No, it isn’t. C. Yes, it is. D. Yes, that is. ( )4. —Excuse . Is this your book? —Yes,it is. A. me B. I C. my D. mine B A
(B)5.— -You’re welcome. A.Thanks you for your help. B.Thank you for your help. C.Thank you for you help. D.Thank your help. D )6.These blue pens_ Jack’s. His are black. A.are B.not are C.isn’t D.aren't 导航页
导航页 ( )5. — —You ’re welcome. A. Thanks you for your help. B. Thank you for your help. C. Thank you for you help. D. Thank your help. ( )6. These blue pens Jack ’s. His are black. A. are B. not are C. isn ’ t D. aren ’ t BD