1. Mr and Mrs Smith are travelling to HN by plane now.
2. Van used to have a motorbike.
3. My father usually drives to work.
4, This part of the city didn't use to have traffic jams.
5. I used to go to school on foot when i was young.
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1. Traffic jam is one of the most common issues in the big cities in the worrld.
2. There are many people use this road and it is one of the main reasons cause traffic jams.
3. We can solve this traffic problem by encouraging people to use bicycle rather than car for short trips.
4. People should use public transports to reduce the number of private vehicles in the road.
5. Moving big companies and factories from the city to the countryside helps reduce traffic jam.
Bn học tốt!!