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Câu hỏi đuôi trong tiếng Anh (tag question) là một câu hỏi ngắn được đặt ở cuối câu. ... Khi người nói không chắc chắn về tính đúng sai của một mệnh đề nào đó, câu hỏi đuôi được sử dụng để kiểm chứng cho mệnh đề được đưa ra
EX: We are not late, are we?
She is from Viet Nam, isn't she?
You have studied English for 8 years, haven't you?
+ Câu hỏi đuôi là một cấu trúc đặc biệt trong tiếng Anh, bao gồm một mệnh đề đi kèm với một câu hỏi ngắn ở sau, được ngăn cách bởi dấu phẩy
+ Chúng ta dùng câu hỏi đuôi để xác nhận lại thông tin là đúng hay sai
+ Câu hỏi đuôi bao gồm 2 phần: Phần mệnh đề trước dấu phẩy, hay còn gọi là phần mệnh đề chính, có thể ở cả 2 thể khẳng định và phủ định. Bằng việc thêm một cái “đuôi” nghi vấn vào sau mệnh đề đó ta có thêm câu hỏi đuôi
Ví dụ:
This pucture is beautiful, isn't it?
Your favorite food is noodles, isn't it?
You are students, aren't you?

Đề bài là: Viết lại những câu này bằng mệnh đề tương đối với giới từ


Protecting the environment is one of today’s most serious issues. It is not a secret that our planet is in danger! Almost every day we hear about a new problem affecting the environment. This list seems to be endless! The main issues are pollution, acid rain, greenhouse effect, climate change, rainforest destruction, and the extinction of thousands of animal and plant species. We are all aware of these concerns and can admit that we caused them. Most people really care about the future of our planet and realize it is time to improve the situation; otherwise, the environmental issues will become worse, with each of us suffering the negative consequences. It all seems to be really depressing but each of us, no matter what our age group, can do something to slow down the destructive processes and reduce the potential harm. We have to learn to be environmentally friendly in using natural resources like water, air, forests, agriculture, and wildlife without damaging them. It is very important to preserve the natural resources we have today so that future generations can also use them. Here are some examples of the problems we face today and the possible solutions for addressing them.
The fact is people produce too much rubbish. Household waste increased by 16% from 1992 to 2008. Each year, we produce half a ton per person. The main part of the rubbish is either burned or taken to enormous landfill sites. We should admit that both ways are harmful for the environment. The better option when dealing with waste is reusing or recycling it, rather than trying to find where to put it! Today, we recycle only 35% of our household rubbish, although it is possible to recycle up to 80%! To help achieve this, follow these simple recommendations:
- Sort your rubbish. Organic items like potato peeling, leftover food, and tea leaves can be transferred into a compost heap in the garden and used as a natural fertilizer for plants. Plastic bottles, juice cartons, and cardboard can be taken to a recycling bank.
- Use recycled papers to help save trees. It has been estimated, that each person uses about 6 trees worth of paper yearly.
- Avoid buying plastic since is difficult to recycle. Refuse to use plastic bags offered by supermarkets; instead, use long-lasting shopping bags or re-use the same plastic bags until they are worn out and then can be recycled.
- Do not buy over-packaged goods – many items we purchase are enclosed in unnecessary bits of plastic and paper.
Another serious threat to the environment is pollution. The air we breathe is polluted in many ways. It affects the lives of everyone. Air is damaged by car fumes and power stations and factories that cause acid rains, which destroy forests and lakes. Besides that, oil spills often pollute seawater and kill marine life. All these factors lead to spreading disease and damaging people’s health in many countries.
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Our professional research paper writers are glad to assist you with any difficulties you may have. All of them are from the English-speaking countries. Before we hire them, our candidates must pass a four-hour online test. In addition, they must write an example paper, demonstrating their writing proficiency as well as command of the written English language. You can be absolutely certain that our writers will successfully compose any custom coursework you might order on any academic level required. Furthermore, they have expertise knowledge over 68 subject areas. In addition, we provide a full plagiary check with the help of the special software. We care about the security of our customers and about the quality of our writing service.

It can't be denied that today English is the most widely used language in the world. It has been used in all spheres of public activity. Given its importance I have chosen English as my second language.
In fact, English has become an international language. If I master this language I can go to any continent in the world: Asia, Europe, Africa, America and Australia. Everywhere people speak English because of its popularity.
What's more, I have dreamed of becoming a capable tourist guide one day. In order to realise this hope I should read more books on travelling and learn more vocabulary on different aspects. Standing before one of historical vestiges how can I tell my tourists about the history of my country and the courageous struggles of my people during the period of founding the nation and defending it against foreigner invaders if I am not able to obtain any knowledge, any words on this domain?
Being aware of the preeminence of the English language in every aspects of man's activity, I have been learning it with great zeal and avidity.