giúp mình câu trong ảnh

Here are the answers with the correct options circled. 1. Tina is *A. my* sister. 2. *C. She* went to the cinema yesterday. 3. This car is *A. his*. 4. These are the children's shoes. They're *A. their*. 5. Look at *A. my*! 6. *A. His* brother is tall. 7. I waited for *B. you* yesterday but you didn't come. 8. These are *A. our* pencils. 9. This letter is for *C. her*. 10. *B. You* didn't do the homework. 11. This is John's book. It is *B. his* book. 12. Whose bag is this? - It's *B. mine*. 13. Whose jeans are these? - They're *A. his*. 14. Our car is bigger than *C. theirs*. 15. Whose dictionary is this? - It's *C. hers*. 16. Junko has eaten her lunch already, but I'm saving *C. mine* until later. 17. We gave them *B. our*, *C. theirs* telephone number, and they gave us *C. theirs*. 18. *My* computer is a Mac, but *hers* is a PC.