I don’t have ________ pen. Do you have ________?A. an; it B. a; one C. a; an
The car is running ________.It seems to be flying!
________ city would you like to live in, Beijing,Shanghai or Chongqing?
If prices rise too high, the government has to do something ______ it.
— How long have you _______ this book? — About ten days.I _______ it last month.
— When will the second class begin? — _________ two minutes.