1. In the 20th century.

2. It was a major means of transport for Hanoians.

3. In 1990.

4. The population has increased dramatically.

5. New rail systems including a skytrain and a subway are under way.

6. I think the old train is more impressive to Hanoians because the train in Hanoi and its clanging sound have gone deep into Hanoians’ mind and heart.

Air pollution in our country is one of the most serious environmental problems, and many major cities in our country are affected by it. Increasing carbon emission from industries and automobiles makes it worse every day. Other harmful particles produced from burning fossil fuel have made the situation graver.
The effects of air pollution are really dangerous. Air pollution in my country is responsible for many health-related problems among citizens, and also kills many people every year. It is liable for causing respiratory disorders and many people get sick who are exposed to air pollution for a long time. The usual short-term problems include difficulties in breathing, bronchitis, heart ailments and so on while it can lead to cancer or even death in the long run. Unfortunately, air pollution in our country is reducing the life expectancy of many peopleNo doubt, air pollution is a global problem now, and in my country, fossil fuels and rapid industrialisation are the primary reasons behind it. The excessive use of machinery and motorised vehicles ignites the rise of greenhouse gases in the atmosphere. Increasing dust particles make things more damaging.                                              Air pollution is a burning issue for our country now. Some cautionary measures should be taken to check the air pollution level. The most important step to reducing air pollution is to reduce carbon emissions. So we need to reduce the use of gas, oil and other fossil fuels. Alternative energy or green energy like solar energy, hydroelectric power and wind power should be used more extensively. A massive awareness among ordinary people about air pollution is also required to curb the problem.

Air pollution in our country is one of the most serious environmental problems, and many major cities in our country are affected by it. Increasing carbon emission from industries and automobiles makes it worse every day. Other harmful particles produced from burning fossil fuel have made the situation graver.
The effects of air pollution are really dangerous. Air pollution in my country is responsible for many health-related problems among citizens, and also kills many people every year. It is liable for causing respiratory disorders and many people get sick who are exposed to air pollution for a long time. The usual short-term problems include difficulties in breathing, bronchitis, heart ailments and so on while it can lead to cancer or even death in the long run. Unfortunately, air pollution in our country is reducing the life expectancy of many peopleNo doubt, air pollution is a global problem now, and in my country, fossil fuels and rapid industrialisation are the primary reasons behind it. The excessive use of machinery and motorised vehicles ignites the rise of greenhouse gases in the atmosphere. Increasing dust particles make things more damaging.                                              Air pollution is a burning issue for our country now. Some cautionary measures should be taken to check the air pollution level. The most important step to reducing air pollution is to reduce carbon emissions. So we need to reduce the use of gas, oil and other fossil fuels. Alternative energy or green energy like solar energy, hydroelectric power and wind power should be used more extensively. A massive awareness among ordinary people about air pollution is also required to curb the problem.

   As we all know, there are many great scientist around the world creating great invention everyday. These invention makes our life much easier and more interesting. Talking about invention ,have you ever heard of Thomas Edison. I think that all of us must know himm after all he is the father of light bulbs. Long ago, before the light bulb appeared, we people can't work late because it is dark so we can't see nothing. We had to work hard before sunset. But later on, they invented oil lamp, this helped bring the light to Earth, but this lamp is very dangerous. In 1879, Thomas Edison invented the light bulb. This was the greatest invention in the world. Now people can read books and do works in the evening. Thanks to Edison, our life is easier.

Sorry I can't

He is believed to know six languages. 

You were said to have been there then. 

Many passengers were reported to have died in the crash. 

me: What are you doing, Mom?

mom: mom is cooking

me: let me help mom

dad come out

dad : baby! That's not helping, it's everyone's jod

brother : I'm also sweeping this house

đc ạ

Environment is an essential part of our life. A clean environment is necessary for a peaceful and healthy life. An environment is the natural surroundings which helps human beings, animals and other living things to grow and develop naturally. But nowadays, our environment is disturbing in many different ways. Any type of disturbance in nature's balance affects the environment totally. It does not only ruin human lives but also affects all living beings. We can save our environment with the little step taken by everyone on the earth. We should reduce the amount of waste, throwing wastes properly to its place only and many other simple ways. It is very important to save the environment for human existence. When we protect the environment, we are protecting ourselves and our future as well.

Dear Youth Lead the Change,

I am writing to propose a project that I believe will greatly improve our community. My idea is to create a community garden in a vacant lot in our neighborhood. This garden will not only beautify the area, but it will also provide a space for community members to come together and grow their own fresh produce. This will help to address issues of food insecurity and promote healthy eating habits among our residents.

Additionally, the garden will serve as a space for educational workshops on sustainable gardening practices and environmental stewardship. It will also provide opportunities for youth to get involved in a positive and productive activity, fostering a sense of ownership and pride in their community.

I believe that this project is the best choice for our community because it addresses multiple issues, promotes community engagement, and provides valuable educational opportunities for all ages. I hope that you will consider supporting this project and helping us make our community a better place for everyone.

Sincerely, Tunn.