... 2 7/11 /2011 A. put off B. cancel C. play D. put away 21. He is very________ on meeting Vietnamese people and making friends with them. A. fond B. keen C. sharp D. sensitive 22. We ... hair long B. To relax C. To eat balanced diet D. To get more proteins Traffic in our cities The volume of traffic in many cities in the world today continues to expand. This causes many ... course, the most important thing is to provide good public transport. However, to get people to (49)_______ the comfort of their cars, public transport must be felt to be reliable, convenient and...