The boy doesn't work hard enough at his lesson. As for his intelligence, he has ______ he can possibly make use of.
---Are you two old acquaintances? ---Yes, we _____ in the same neighborhood for quite a long time, though he went abroad with his family at 14.
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.