----- Nội dung dịch tự động từ ảnh ----- II. Find a suitable word to complete the following passage. Life in the city needs to (41)........... ...improved. For one thing, there are too (42).......... cars, and there is too (43)..... smog, especially at rush (44) The air (45).....…………... is terrible. This problem is particularly bad downtown in the bussiness center. Too many people (46)................their cars to work. So what should we do about it? I think there (47).............be more police officers at busy intersections. They could stop (48)......... ....jams. We also need fewer parking garages downtown. The city (49............. too much money building them. It's easy to park SO too many people drive to work. On the other hand, the city (50)................spend enough on public transportation. There aren't enough subway lines and the train systems.