—It is selfless the doctor to devote all the time he had to caring for the patients.—I think so, they are so great.
You can get a good result ______ you work hard.
The old man felt ______, for he lived ______ in a ______ house in the mountain.
There are many shops on ______ side of the street. We can buy ______ we want.
She said that her car needed ______.
By the time he ______ at the railway station, the train ______.