6.-What do you know about Vancouver?-It's_________host city of the 2010 Winter Olympic Games, and it is also home to North America's_________second biggest Chinatown.
It has been reported that some government leaders ________their authority and position to get illegal profits for themselves.
___________ giving a general introduction to computers, the course also provides practical experience.
The police set about arresting the suspect ______ they found enough evidence to prove him guilty.
It’s bad ___________ for a man to smoke in the public places where smoking is not allowed.
The fire, believed todue to illegal construction on the building’s roof, was brought under control after an hour.