Mark the letter A, B, c, or D to indicate the correct answer to each of the following questions. TỚ CẦN GIẢI CHI TIẾT Ạ 24. A pedestrian ______ is a specified place on the road where people can cross. A. Crossroads B. Crossing C. junction D. T-junction 25. Everything’ s bit more expensive here and property prices are extremely high. A lot of people have no choice but to live in the _________ and commute in to work. A. Outskirt B. suburbs C. city D. urban 26. It’s much safer for cyclists to get around these days with cycle ________ everywhere. A. lanes B. streets C. roads D. paths 27. The _______ is where you’ll find all the large department stores and banks. A. City heart B. town hall C. city centre D. business district 28. Exhaust _______ from cars are responsible for much of the air pollution in cities. A. Fumes B. smokes C. gases D. smog 29. Many factories still allow ________ , such as toxic waste, to flow into our rivers. A. Pollution B. litters C. garbage D. pollutants