--What you for your vacation? --I plan to visit my grandparents.
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 ______.