People usually dress up in costumes at________.
( )(4)你想知道对方是不是杨玲时,你会问: A. Are you Yang Ling? B. I’m Yang Ling.
( )(3)你想别人介绍说着是你的弟弟Sam,可以说:A. This is my brother,Sam. B. He is Sam.
( )(2)下午老师上课时,会说:A. Good afternoon,Yang Ling. B. Good afternoon, class.
( )(1)当早晨你见到老师时,可以说:A.Good morning, Miss Li. B.Hello, Miss Li.
( )(5)She ________ my sister.A. is B.are