In today's digitally-driven society, teenagers have become increasingly connected to screens, be it laptops, phones, or tablets. While technology offers numerous benefits, excessive screen time can have detrimental effects on teenagers' physical and mental well-being. Therefore, it is crucial to limit their screen time.Firstly, excessive screen time can lead to sedentary lifestyles and a lack of physical activity. This can contribute to obesity and other health problems. Additionally, extended screen time can negatively impact teenagers' sleep patterns, leading to sleep deprivation and fatigue. It also hampers their ability to concentrate and engage in face-to-face social interactions.Limiting teenagers' screen time can be achieved by setting clear boundaries and establishing screen-free zones or times during the day. Encouraging alternative activities, such as participating in sports, hobbies, or spending time with family and friends, is also important. Furthermore, parents should act as role models by reducing their own screen time.In conclusion, while screens have become an integral part of teenagers' lives, excessive usage can have adverse effects. By implementing strategies to limit screen time, we can promote their physical health, mental well-being, and overall development.

Limiting teenagers' screen time is essential for their physical and mental well-being. Excessive use of electronic devices can lead to sedentary lifestyles, contributing to health issues such as obesity and poor posture. Additionally, prolonged screen exposure can negatively impact sleep patterns, affecting teenagers' overall health and academic performance. By setting limits on screen time, parents can encourage a more balanced and active lifestyle, fostering healthier habits. Moreover, reduced screen time allows teenagers to engage in face-to-face social interactions, developing crucial communication skills. It also provides them with opportunities for outdoor activities and creative pursuits, promoting a more holistic approach to personal growth. In essence, imposing reasonable restrictions on screen time is a proactive measure to safeguard teenagers' health, social skills, and overall development in the digital age.

6 D

7 C

8 A

9 B

10 A

1 B

2 A

`1.` Let's collect old textbooks to give to children in mountainous areas.

`-` Let's + V-inf

`-` Give to sb: tặng ai đó

`2.` My sister is fond of making vlogs about animals.

`-` Be fond of + V-ing: thích làm gì

`-` About sth: về cái gì

`3.` Last week, I had a sore throat, so I stayed home.

`-` QKD: `(+)` S + V2/ed

`-` So + S + V + O: vì vậy ai đó làm gì 

`1.` Let's collect old textbooks to give to children in mountainous areas.

`-` Let's + V-inf

`2.` My sister is fond of making vlogs about animals.

`-` Be fond of + V-ing: thích làm gì

`3.` Last week, I had a sore throat, so I stayed home.

`-` QKD: `(+)` S + V2/ed

`-` So + S + V + O: vì vậy ai đó làm gì

1 My brother's stomach hurt because he ate something bad

2 Why don't we organize a talent show to raise money?

3 You should not eat junk food everyday

4 I prefer listening to country music to classical music

1 Before going to bed, I drink a glass of milk to help me sleep

2 Volunteering at the food bank is a great way to help people in needs

3 The dancer moved gracefully across the stage during the performance

hay qua co oi

ủa rồi sao mà làm

1. My name is Mai Linh.

2.L-i-n-h.

3.l'm ten years old.

4.I from Vietnam .

5.l'm fine.

6.No,l don't.

7.l like maths,l don't like music and English .

8.My favorite color is blue.