当你想向你的奶奶介绍你的朋友Amy时,你应该说: A. This is my grandma. B. This is Amy.
I’m ,thank you. A. Huanhuan B.fine.
I’m adog. A. black B.hello
_____down, please. A. up B. sit
________ you. A. Thank B. How
Point to the _______. A. door B. down