The best way to explore _______ countryside is on _______foot.
The old temple _______ roof was damaged in storm is now under repair.
Time should be made full use of _________ ourselves.
Electricity ,like other forms of_________ ,has greatly increased in price.
In the good care of the nurses, the boy is _________ recovering from his disease.
Ladies and gentlemen, please fasten your seat belts. The plane ________.