— Did you go to the exhibition on May 18th?

— Of course. There were many kinds of Taiwan fruits ______.

A. on show                            B. on duty                      C. on business

 — Mum, where are my socks?

— Under your bed. You should          your things.

A. put on                     B. put down                     C. put away

-- Is that girl Susan?

-- It ______ be her. She left for Beijing yesterday.

A. needn't                            B. can't                        C. mustn't

 --          does your cousin go to the gym?

-- Twice a week.

A. How long                 B. How often                   C. How soon

— Nick, would you mind          out of the bathroom?

— Sorry. I won't be long.

A. come                    B. to come                                             C. coming

- Is James at home?

-- No, he          Ya'an to be a volunteer.

A. has gone to               B. has been to                   C. is going to

-- The boy can speak both English and Japanese ______ he is only ten.

-- Wow, what a clever boy!

A. if                           B. because                                              C. though

 -- Do you know Mo Yan?

—Of course. He is the famous writer ____ won the Nobel Prize in 2012.

A. who                               B. whom                                        C. which

-- Excuse me, sir, smoking          in the gas station.

-- Oh, I'm really sorry.

A. doesn't allow               B. isn't allowed           C. aren't allowed

--Mum, it's late. Why are you still here?

--Dad hasn't come back yet. I          for him.

A. am waiting                          B. was waiting                  C. waited