1. Vietnamese prefer riding motorbikes walking to work. a. to b. for c. than d. rather than 2. It is hard us to persuade him to believe what we said. a. to b. of c. for d. with 3. A lot of were built to solve the traffic jam problem at intersections. a. trams b. flyovers c. skytrains d. tunnels 4. My friends were all extremely when they heard I’d lost my job. a. tolerant b. sympathetic c. obedient d. confident 5. Last Wednesday witnessed a sudden drop in raw oil price. a. significant b. gradual c. sharp d. considerable 6. It was unprofessional casual clothes to the international conference. a. of her to wear b. for her wearing c. for her to wear d. of her wear 7. The very first metro is being built to the travel demands of Saigonese. a. solve b. make c. see d. meet 8. easetraffic congestion, it is necessary to promote the development ofpublic transport. a. Because of b. Despite c. In order to d. Since 9. I think life today is comfortable than it was in the past. a. about as b. a lot more