—Talking loudly in a library is impolite.—In fact, we should also  take care not to cough or sneeze loudly in public.

I spend two hours a day ________ English.

The young woman always ______ sunglasses in the sun. 

They __________going to make a new house tomorrow.

－Excuse me, does Mr Smith son live here? －He used to_______ here, but he gets used to ______ in a modern city.