—What do you want to be in the future, Lucy?—I want to be _____ pilot. It is _____exciting job.A. a; a B. a; an C. the; an
—Mom, this is my friend, David. — .
Let’s play ____ basketball.
I don’t have a soccer,______ my friend Tom does.
— Is Helen your sister? — Yes , ______.
— How are you? — ___________.