Advantages:

1.Flexibility: Learn at your own pace and schedule.

2.Accessibility: Access education from anywhere with internet.

3.Cost-effectiveness: Lower tuition fees and fewer expenses.

4.Customization: Tailor learning to individual needs and preferences.

5.Networking: Connect with diverse learners globally.

Disadvantages:

1.Lack of interaction: Reduced personal engagement and feedback.

2.Technical issues: Internet connectivity and software problems.

3.Self-motivation: Requires discipline and accountability.

4.Limited socialization: Fewer opportunities for in-person connections.

5.Quality concerns: Varying standards and credibility of online courses.

6.Distractions: Home and work responsibilities can interfere.

7.Technology dependence: Access and adaptability challenges

IX. Write conditional sentences type 2, using the cues given.

1. What/ happen/ if/ water pollution/ stop?

`->` What would happen if water pollution stopped?

2. We/ be/ happy/ if/ air pollution/ the world/ be/ a/ better place?

`->` Would we be happy if air pollution in the world were a better place?

3. If/ there/ be/ no more pollution/ the world/ be/ a better place?

`->` Would the world would be a better place if there were no more pollution?

4. If/I/ be/ you/I/ take/ these bottles/ the bottle bank.

`->` If I were you, I would take these bottles to the bottle bank.

5. If/ people/ not really care/ the environment/ they/ not try/ save it.

`->`If people didn't really care the environmet, they wounld not try to save it.

6. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.

`->` The river wouldn't be so polluted if factories didn't dump waste into it.

7. We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.

`->` We would be less worrried if oild spills didn't have such destructive effects.

_

`-` Công thức: If + S + `V_{QKĐ}`, S + would/could + `V_1`

`*` trong đó: `V_{QKĐ}` gồm:

`+` didn't + `V_1` 

`+` `V_{2//ed}`

`+` were. 

VIII. Complete the sentences with the verbs in brackets. Use conditional sentences type 2.

1. weren't

2. would decrease

3. didn't dump

4. would be

5. bought

6. didn't bury - wouldn't pollute 

7. wouldn't be - cared

8. would happen - were

9. paid - would be 

10. polluted - would soon become

_

`-` Công thức: If + S + `V_{QKĐ}`, S + would/could + `V_1`

`*` trong đó: `V_{QKĐ}` gồm:

`+` didn't + `V_1` 

`+` `V_{2//ed}`

`+` were. 

VII. Complete the sentences with the verbs in brackets. Use conditional sentences type 1.

1. gets

2. will not be

3. keep

4. will help

5. don't stop, will become

6. recycle - will not produce

7. will have - dump

8. continues - will rise

9. keeps - will not be

10. will threaten - don't cut down

_ 

`-` Công thức: If + S + `V_{HTĐ}`, S + will/can + `V_1`

`*` trong đó: `V_{HTĐ}` gồm:

`+` don't/doesn't + `V_1` 

`+` `V_{1//s//es}`

`+` am/is/are.

Tham khảo:

In the future, homes will become centers of smart and sustainable connectivity. Technology will be deeply integrated into every aspect of the home, from smart control systems to renewable energy and household automation. Future homes will be designed to optimize comfort, safety, and minimize environmental impact. Additionally, living spaces will be created to foster social connection and mental well-being for residents.

My future house will be a villa in the mountain. I want to live in that house with mya family. It will be surrounded by many trees and flowers. There will be ten rooms and a super smart robot in my house, It will help me clean the floors, cook meals, and wash my clothes.

   Hơi ngắn xíu, thông cảm nha 

"Dear [Người nhận],

Greetings from Da Nang!

If you're looking for a memorable experience, make sure to include Son Tra Peninsula in your itinerary. With its pristine beaches, lush forests, and breathtaking mountain views, it offers a perfect blend of relaxation and adventure. Whether you're into trekking, wildlife spotting, or simply enjoying the serenity of nature, Son Tra Peninsula has something for everyone. Don't forget to pack your camera to capture the stunning landscapes and unique wildlife encounters.

Wishing you an unforgettable journey in Da Nang!

Warm regards, [Your Name]"

Tham khảo:

"Dear traveler,

Greetings from Đà Nẵng! Make sure to visit the iconic Dragon Bridge, especially on weekends when it breathes fire and water. Take a leisurely stroll along the Han River promenade and indulge in local delicacies at the night market. Don't forget your camera for breathtaking views!

Best wishes,
[Your Name]"

She hated him at first; however, she fell in love with in the end

Although Samuel likes the UK, he decided to study in the USA

We should tell everybody to save clean water and electricity

This new car is hers

Which notebook is yours?

How about going to the cinema this weekend?

How does her mother usually get to work?

How far is it from your house to the nearest market?

How will students go to school in the future?

New Zealand is a magical place with amazing natural beauty and friendly people

People from all over the world visit the British Museum

We will use solar-powered buses in ten years