—How often do you clean the fish tank? — .
-Excuse me, does Mr Smith son live here? -He used to_______ here, but he gets used to ______ in a modern city.
The old man lives _______ , but he never feels ________.
I can’t buy this bike, because it is_____ expensive.
----What a nice meal! It's really kind of you to invite us. ---- ______________. I'm glad you liked it.
— May I park my car here, Sir? —_________. You may park it over there.