Anyone who is in ________ of weapons without permission is considered lawbreaking.
Now, the world’s focus is all on Shanghai ______ the 2010 world Expo is to be held.
____you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.
---Did you listen to the lecture given by the famous herbalist doctor Zhang Wuben? --- No, we ______ it. But we had a lot of traffic on our way.
Barrack Obama’s recent visit to the Asian nations clearly sent a message to the world ______ Asia is important in America’s global partnership.
I don’t smoke now, but I ____for almost ten years.