If he can____his natural ability with hard work, he should be a success..
You may not agree, but _______ I think she is a very good girl.
Two middle-aged passengers fell into the sea. _______, neither of them could swim.
Many people watched the ___ TV broadcast of football matches.
All the people ____ at the party were his supporters.
The elderly need special care in winter, as they are to the sudden changes of weather.