1.You can use this computer, can't you?

2. He wishes he could remember the answers to these questions. 

3. Nhung said she had to go to Da Lat the next day afternoon.

4. It takes Minh 2 hours a day to study in a group with his friend.

5. It is raining heavily, so they take their umbrellas.

1. You can use this laptop, can't you?

2. He wishes he could remember the answers to these questions.

3. Nhung said that she must go to Da Lat tomorrow afternoon/Nhung said she had to go to Da Lat tomorrow afternoon.

4. It takes Minh 2 hours a day to study in a group with his friends.

5. It is raining heavily, so they take their umbrellas.

She was not only a prom queen but also an influencer.

He is not only a poet but also a writer.

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.

V:

1. river

2. afternoon

3. water

4. fishes

5. There

6. people

7. taking

8. hour

9. so

10. ball

VI:

1. My sister often goes to school on foot.

2. Are there fifty students in your class?

3. Mrs. Hoa goes to work at a quarter past seven.

4. He is having a bath at the moment.

5. How much do the tickets cost?

V

1 river

2 afternoon

3 work

4 fishes

5 there

6 people

7 too

8 hours

9 sometimes

10 because

`#3107.101107`

`1.` Buying `->` to buy 

`2.` goes shopping always `->` always goes shopping

`3.` in `->` for

`4.` breads `->` bread

`5.` The toy-store is to the left of the bakery

1 buying => to buy

2 goes shopping always => always goes shopping

3 in => for

4 breads => bread

5 to the left => to the left of

1. Mrs. Akiko has a son named Peter.

2. Are there more than four hundred students in your school?

1. Mrs. Akiko's son is Peter.

2. In your school, there are more than four hundred students.

Học tốt!!!!!!!

1. We stayed with a host family.
2. I went on day trips.
3. They visited water parks.
4. I saw local attractions.
5. We went on a cycling tour.
6. They travelled by train.
7. They went on cultural visits.
8. We visited museums and galleries.

1. We stayed with a host family.
2. I went on day trips.
3. They visited water parks.
4. I saw local attractions.
5. We went on a cycling tour.
6. They travelled by train.
7. They went on cultural visits.
8. We visited museums and galleries

nhanh vs ạ

1. B

2. B

3. A