—What are you two whispering about over there?—Oh, ______. Just small talk.

Some people would rather ride bikes as bike ridding has_________ of the trouble of taking buses.

In winter, the weather of Moscow is ______ colder than _______of Beijing.

Our bedrooms are all on the sixth floor,        with its own bathroom.

—What do you think of modern music?—It is often considered not as good as ________ of the past.