—Where did you pick up the stamp?—It was at the post office ________ we worked in the summer vacation.
It’s such a good place___ everyone wants to go and visit ___ it is well-known all over the world.
Miss Li ___as a secretary for five years in the company, and now she is general manager of it.
The result was not as good as expected but the ________ on his face told us that he was still very happy.
He is a ________ man—he always says what he thinks.
Nowadays people take___ exercise a day as they did in the past because of widely used automobiles.