1.I think we will travel by hyperloop in the future

2.Traffic in big cities is often worse than in small touns

3.Are there usually special activities for children at festivals

1.The film was a success despite its low having a low budget.

2.You mustn't throw trash out of your car window in traffic.

3.The food at this stall was not as more delicious than the food at this one.

4.There are not enough notrbooks for the students

1.Motorbike taxis,called "xe om",are popular for short trips

2.People can watch films on streaming services like Netflix

3.Waterfalls and rivers are natural sources of hydropower