It’s snowing and everyone _______ a good time.
—I have never been to the space museum.—______.
—Have you had a new apartment in 2014 ______?—Yes, I have ______ had one.
—Are Betty and Lingling still living in Beijing?—No, they ______ to Hong Kong.
—Was your school trip to the mountains _______?—Yes.We had a lot of fun.
—Which city has ______ population, Beijing, Shanghai or Tai’an?—Tai’an, of course.