Changyu building, _____ a history of more than 700 years, is well-known for its magnificent appearance the quiet and natural surroundings.
---I didn’t go to the party yesterday because my car broke down. ---You ______ mine. I wasn’t using it.
---They are quiet, aren’t they? ---yes. They are accustomed ____at meals.
_____, I got better and returned to work.
It is already 10 o’clock. I wonder how it ______ that she was two hours later on such a short trip.
--Why does the lake smell terrible? ---Because large quantities of water ______.