People have planted a great many trees in order to ________ wind and sand in the desert. [ ]
Who ran most__________ at the sportsmeeting in your class? — Li Ming did. He won the firstplace.
________do you usually go to bed
ed with his sister, Jerry is even more ________to, and more easily troubled by, emotional and relationship problems
_____ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.