1. Despite the film's low budget, it was still a success.
2. You must not throw trash out of your car window in traffic.
3. The food at that stall was more delicious than the food at this one.
4. We don't have enough notebooks for the students.

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

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

3. Are there usually special activities for children at festivals?

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

2. People can watch films on streaming services like Netflix.

3. Waterfalls and rivers are natural sources of hydropower.

Saving energy at school is very essential. I always turn off lights and fans every time I leave the classroom. Moreover, I often open the windows to use natural light instead of electric lamps. I do these actions daily to form a good habit. They are very important because they help reduce electricity bills and protect our environment from climate change for a better future.

1. Students should use online resources for learning.

2. Although she didn't speak English well, she traveled alone to the UK.

1. The students are doing a science experiment in the lab now.

2. Space travel will become affordable for everyone in the future.

3. You shouldn't stay up late to watch TV programmes.