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My favorite pet is a dog. I love dogs because they are cute and loyal to their owners. I have a dog at home, his name is Ki. Ki is a dog which I have been keeping for four years. It is a Poodle so it is really friendly. It has bushy and soft brown fur and glistening eyes. When I look at his big, beautiful eyes, I just melt like ice cream on a hot summer day. Ki takes pleasure in sniffing everything when he has nothing particular to do. Everyday, I give her some biscuits and milk in the morning, rice and meat in the afternoon. Whenever I go out in the evening, he always accompanies me like he wants to protect me. Ki seems to be one of my best friends, I love him very much!

1 Dolphins use their tails and fins to swim
2 My grandma would like to watch television
3 Are Lucy eating at the Ben market?
4 Lisa can play the piano, but she can't draw
5 My roommate loves playing volleyball when it's cool
1,Dolphins use their tails and fins to swim
2,My grandma would like to watch television
3,Are Lucy eating at the Ben market?
4,Lisa can play the piano, but she can't draw
5,My roommate loves playing volleyball when it's cool

1 She comes from Thailand.
2 She enjoys playing video games at the arcade.
3 She likes reading comic books when the sky is cloudy.
4 They are doing martial arts at the studio.
5 They always bring their caps.
1. Lily comes from Thailand.
2. She enjoys playing video games at the arcade.
3. She likes reading comic books when the sky is cloudy
4. They are doing martial arts at the studio
5.They always bring their caps because it's usually sunny in Vietnam

1 A balanced lifestyle can lead to improved health if it is adopted consistently.
2 Harry apologized to his mom for not having returned home on time.
3 It is obligatory for us to attend the mandatory training session.
4 It has been two months since he last experienced a family quarrel.
5 Susan's failure to understand the math problems made her feel frustrated.
Question 1. A balanced lifestyle can lead to improved health if we adopt it consistently. (adopted)
=> A balanced lifestyle can lead to improved health if it is adopted consistently
Question 2. “I’m sorry for not returning home on time, Mom”, Harry said. (apologized)
Harry apologized to his mom for not returning home on time
Question 3. We are obligated to attend the mandatory training session. (to)
It is obligatory for us to attend the mandatory training session
Question 4. He hasn’t experienced a family quarrel for two months. (last)
The last time he experienced a family quarrel was two months ago
Question 5. Susan failed to understand the math problems. That made her feel frustrated. (failure)
Susan's failure to understand the math problems made her feel frustrated.

Question 1. Member nations/ have / reason / attend / summits / discuss /shared goals.
Member nations have a reason to attend summits to discuss shared goals
Question 2. His respiratory health /gradually / become / better / since / he quit / smoke.
His respiratory health has gradually become better since he quitted smoking
Question 3. It / forbidden / litter / public places / Vietnam / keep the environment / clean.
It is forbidden to litter in public places in Vietnam to keep the environment clean
Question 4. During / holiday season, / the city / look / festive / joyful, / decorate / with / lights and decorations.
During the holiday season, the city looks festive and joyful, decorated with lights and decorations
Question 5. My mom / charge / resolve / family argument / find / solution.
My mom takes charge to resolve family arguments and find solutions
1.Member nations have a reason for attending summits to discuss shared goals.
2.His respiratory health has gradually become better since he quit smoking.
3. It is forbidden to litter in public places in Vietnam to keep the environment clean.
4.During the holiday season, the city looks festive and joyful, decorated with lights and decorations.
5.My mom was in charge of resolving the family argument and finding a solution.

Bài 1: Giải:
Từ 1 ⇒ 9 có số trang là : (9 - 1) x 1 + 1 = 9(trang)
⇒ Từ 1 đến 9 cần đánh số chữ số là: 9 x 1 = 9(chữ số)
Từ 10 ⇒ 99 có số trang là: (99 - 10) x 1 + 1 = 90(trang)
⇒ Từ 10 đến 99 cần đánh số chữ số là: 90 x 2 = 180(chữ số)
Từ 100 ⇒ 452 có tổng số trang là: (452 - 100) x 1 + 1 = 353(trang)
⇒ Từ 100 đến 452 cần đánh số chữ số là: 353 x 3 = 1059(chữ số)
⇒ Vậy phải đánh tổng các số chữ số là: 9 + 180 + 1059 = 1248(chữ số)
Vậy người cần đánh 1248 chữ số.
Đ/số:.....
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