—Is this your pen? —Yes, __________.
Kangkang’s father is a doctor. He works in . A. an office B. a hospital C. a school
—I’m sorry I can’t help you. —. A. That’s fine B. Thank you C. Thank you all the same
We can’t find pets. Please help us find . A. our, they B. us, them C. our, them
—_______ do you surf the Internet ? —Once a month.
What’s _______ with her bike?