1 didn't help, the car couldn't start.

2 you sleep enough tonight, you will be exhausted tomorrow.

3 you disagree with me, I will stand by my opinion.

1 If he didn't help, the car couldn't start

2 Unless you sleep enough tonight, you will be exhausted tomorrow

3 Even if you disagree with me, I will stand by my opinion

1 But for his useful information, I would have made a wrong decision.

2 But for his intervention, the accident might have been much worse.

But for his useful information, I would have made a wrong decision

 But for his intervention, the accident might have been much worse

Tick me please?:(

1. you / have / terrible / time / Paris ?

➙ Did you have a terrible time in Paris?

2. Why /they / go /for/ twelve  / months?

➙ Why have they gone for twelve months?

3. mountain / climbing / can / very / dangerous.

➙ Mountain climbing can be very dangerous.

4. The/ speed / limit/ be /  lower / in cities / in the countryside

➙ The speed limit is lower in cities than in the countryside.

 5. He/ always /tell / us / things / interesting.

➙ He always tells us interesting things.

6. Jamie /really/ good / at / speak / our club meeting .

➙ Jamie is really good at speaking at our club meetings.

7. they / reach / top / of / mountain  ?

➙ Do they reach the top of the mountain?

8. we / eat / out / restaurant / twice a week.

➙ We eat out at restaurants twice a week.

9. Where / can / you / go / Rickshaw ?

➙ Where can you go in Rickshaw?

10. Your country / have / enormous / public transport system  ?

➙ Does your country have an enormous public transport system?

1 Did you have a terrible time in Paris
2 Why did they go for twelve months
3 Mountain climbing can be very dangerous
4 The speed limit is lower in cities than in the countryside
5 He always tells us interesting things
6 Jamie is really good at speaking at our club meetings
7 Did they reach the top of the mountain
8 We eat out at a restaurant twice a week
9 Where can you go by rickshaw
10 Does your country have an enormous public transport system

1 I live in Hanoi, the capital of Vietnam
2 Have you ever forgotten to turn off your mobile in a cinema or concert
3 Singing is good for health
4 I am good at learning languages
5 Which sports do you enjoy watching

1 I live in Ha Noi, the capital of Vietnam

2 Have you ever forgot to turn of the mobile at the cinema or a concert?

3 Singing is good for your health

4 I am good at learning languages

5 Which sports do you enjoy watching?

1 Why did you have to go to school last Saturday
2 You shouldn't spend too much time playing games
3 The children must wear a uniform
4 You should say sorry to your parents
5 You shouldn't drink so much coffee
6 He doesn't have to apologize. He was absolutely right
7 We have to give him our answer today or we'll lose out on the contract
8 You should go and lie down
9 You don't have to learn all the new words
10 Do you have to attend every English lesson
11 Harry should take a holiday
12 You shouldn't leave a child unsupervised
13 You have to register in advance to take the course
14 You don't have to read all those books
15 You should spend more time with her

Bạn có thể tham khảo trên mạng bạn nhé vì có nhiều trung tâm ielts lắm á bạn! Nhà mik k ở cầu giấy nên cx k rõ bạn ạ!

có nhiều trung tâm ở đó lắm

What is Air Pollution?
Air pollution is a major change in air composition, caused by smoke, dust, water vapor or strange gases entering the air, causing strange odors, reduced visibility and climate change. They directly affect the health of humans as well as animals and plants on earth.
Current status of air pollution in Vietnam
Air pollution is a serious problem in the world and Vietnam is no exception. According to the annual report on the environmental performance index (EPI) conducted by the US Environmental Organization, Vietnam is one of the 10 countries with the highest air pollution levels in Asia.
 Current status of air pollution in the world
According to the 2020 State of the Global Air Report released by the Health Effects Institute (HEI) and the Institute for Health Metrics and Evaluation (IHME) at the University of Washington and the University of British Columbia on October 21, Air pollution in the world is very alarming. 
Air pollution is threatening human life 
The causes of air pollution come from many sources, there are basically two main causes: man-made and natural.
Natural causes
There are many natural causes such as volcanic eruptions, tsunamis, etc. that also pollute the air
Causes from humans (man-made)
There are many man-made causes from daily activities and agricultural production activities. Not only Vietnam but many developing countries are also experiencing this situation. Smoke and dust from exhaust pipes of factories and plants in industrial zones darken the sky. They emit CO2, CO, SO2, NOx and some other organic substances at extremely high concentrations.