Mrs. Sun is a friend of _______.A. Mary's mother B. mother of Mary C. Mary 's mother's
--- What’s ______,Sam?A. some B.this
---Don’t the parrot, Sam.——OK.A. listen to B. talk
--_____ the bird?——It’s on the chair.A. What B. Where’s
–Is this your pencil?——_______________. A. Yes, it is. B. Thank you.
--_______________.——Yes, Miss Li.A.Please close the door. B. Where is it?