Many a school and many a hospital ______ since 1949.
Oh, look at you---you are trembling! You must feel cold now. In fact, you __________ in person. You can contact us by phone next time.
Aluminum isn’t found free in nature, owing to its always ____ with other elements, most commonly with oxygen.
Being tall gives Yao Ming a(n) _______ over other basketball players.
Nowadays, many people walk to work ____Copenhagen Conference calling for living a low-carbon lifestyle to cope with global warming.
After suffering a heart attack, Michael Jackson was pronounced dead, ___ a tragic end to the world’s most popular entertainer.