To reduce emissions of greenhouse gases, many countries are increasing the use of natural gas, wind and other forms of _______ energy.

Nowadays, there is a ______ increase in children’s creativity, for they are greatly encouraged to develop their talents.

—Will you be sent abroad for further studies?— I have _______ !

During the construction of the Qinghai-Tibet Railway, 33 migration overpasses have been made_______for herds of Tibetan antelopes to go through their breeding grounds.

If you follow a diet expert’s advice, eating more can mean losing _____weight rather than less.