nhanh giúp mình ạ ----- Nội dung dịch tự động từ ảnh ----- II. Fill in the gap with a suitable word or phrase given in the box pollution suspension Traffic environmental cheapest factories underground Busiest 1. In Dubai, the ...............is so bad that it is quicker to walk than to go by car or bus. 2. People suggest building flyovers, tunnels and ... .....car parking. 3. There are lots of .............. ....problems nowadays, mainly because of pollution. 4. The emission of smoke from ......and cars is a big cause of air pollution. ........by using the 3 R's. 5. We all should act green and fight the .... 6. One of the quickest and ................ways to travel around the city is to take a bus. 7. Bangkok, the capital of Thailand, is one of the ................city in the world. The Golden Gate Bridge, a..... recognized symbols of San Francisco. III Waita the bridge, is one of the most internationally