—Good afternoon! Millie. Welcome to our library. Which book would you like?—I’d like books about animals. Can I ______ some, Mrs. Yang?
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?
—Must I finish my homework now? —No, you _______.
Shanghai is one of _______in China.