----- Nội dung ảnh ----- 13. Whose jeans are these? - They're _____. A. his B. himself C. he D. him 14. Our car is bigger than _____. A. they B. theirs C. them D. their 15. Whose dictionary is this? - It's _____. A. her B. she C. hers D. herself 16. Junko has eaten her lunch already, but I'm saving _____ until later. A. hers B. her C. my D. mine 17. We gave them _____ telephone number, and they gave us _____. A. ours, their B. our, their C. ours, theirs D. our, theirs 18. _____ computer is a Mac, but _____ is a PC. A. Your, mine B. Yours, mine C. Your, my D. Yours, my 19. You can't have any chocolate! It's _____! A. your B. its C. her D. mine 20. Was _____ grammar book expensive? A. your B. yours C. your's D. you