There ________a computer and some books.A.are B.is C.am
打电话时说:“我是小明”。该如何说: A.I am Xiaoming. B.This is Xiaoming .
当你想要询问别人的生日是什么时候时,应该如何问: A.When do you have breakfast? B.When is your birthday?
--- ___ they taking a picture? --- Yes, they are. A. Am B. Is C. Are
Can I speak ___John? A. for B to C. on
Kate ____ playing chess. A. am B is C. are