妈妈向好友介绍说:“这是我儿子”,她可以说:________A.This is my daughter. B.This is my son.C.This is my brother.
--How old _____ you? --I am twelve. A. am B. are C. is
--Do you like candy? --__________. A. Yes, I do. B. Yes, I am. C. Yes, I can.
--_____ that, mum? --It’s a taxi. A. What B. What’s C. Who’s
--Have _____ apple, please. --Thank you. A. an B. the C. a
--How old is your sister? --___________. A. I’m seven. B. She’s seven. C. He’s six.