31. Books can be used (A) as a tool opening (B)up (C) new worlds for (D) children. 32. Spend (A) time with family can always be (B) the most precious(C)experience (D) to anyone. 33. According to a research, sending(A) text messages or using (B) Facebook while doing (C) homework reduce (D) students’ overall GPA. 34. It is important for (A) parents to teach (B) their children how using (C) soci. Media wisely (D). 35. Each (A) person have (B) different ways (C)to relax (D) in their free time.  

Để làm bài này, bạn cần kiểm tra cẩn thận mỗi câu và tìm lỗi sai trong việc sử dụng ngữ pháp và ngữ nghĩa. Sau đó, sửa chữa lỗi sai đó để câu trở nên chính xác.

1. Books can be used (A) as a tool opening (B) up (C) new worlds for (D) children.
- Sửa lỗi: opening --> to open
Câu đúng: Books can be used as a tool to open up new worlds for children.

2. Spend (A) time with family can always be (B) the most precious (C) experience (D) to anyone.
- Sửa lỗi: Spend --> Spending
Câu đúng: Spending time with family can always be the most precious experience to anyone.

3. According to a research, sending (A) text messages or using (B) Facebook while doing (C) homework reduce (D) students’ overall GPA.
- Sửa lỗi: reduce --> reduces
Câu đúng: According to a research, sending text messages or using Facebook while doing homework reduces students’ overall GPA.

4. It is important for (A) parents to teach (B) their children how using (C) soci. Media wisely (D).
- Sửa lỗi: how using --> how to use
Câu đúng: It is important for parents to teach their children how to use social media wisely.

5. Each (A) person have (B) different ways (C) to relax (D) in their free time.
- Sửa lỗi: have --> has
Câu đúng: Each person has different ways to relax in their free time.

Trả lời câu hỏi:
Đáp án cho câu hỏi trên là:
1. Books can be used as a tool to open up new worlds for children.
2. Spending time with family can always be the most precious experience to anyone.
3. According to a research, sending text messages or using Facebook while doing homework reduces students’ overall GPA.
4. It is important for parents to teach their children how to use social media wisely.
5. Each person has different ways to relax in their free time.

Each person has different ways to relax in their free time. Some may enjoy reading a book, while others prefer going for a walk or watching a movie.

It is important for parents to teach their children how to use social media wisely. This includes being mindful of what they share online and how much time they spend on social media platforms.

According to research, sending text messages or using Facebook while doing homework reduces students' overall GPA. It is important for students to focus and avoid distractions.

Spending time with family can always be the most precious experience to anyone. It strengthens bonds and creates lasting memories.