Đáp án là: You have to find the book.

1 It's very important to keep the environment clean

2 The time machine will be shown to the public when they finish it

3 He was delighted that he received his aunt's letter

4 People use old car ties to make shoes and sandals

5 I'm very sad not to be accepted in that group

6 I haven't spoken to her for 3 years

7 Tam used to type faster than she does now

8 My father asked me to turn down the radio for him

9 It is Lan's 15 birthday next week

10 When did you used the pen?

Rewrite the sentence without changing the meaning

1. Keeping the environment clean is very important.

- It’s very important to keep the environment clean.

2. They will show the time machine to the public when they finish it.

- The time machine will be shown to the public when they finish it.

3. He was delighted to receive his aunt’s letter.

- He was delighted that he received his aunt’s letter.

 4. Old car tires are recycled to make shoes and sandals.

- People recycle old care tires to make shoes and sandals.

5. I’m very sad that I wasn’t accepted in that group.

- I’m very sad not to be accepted in that group.

6. It’s three years since I last spoke to her.

- I haven’t spoken to her for three years.

7. Tam doesn’t type as fast as she used to.

- Tam used to type faster than she does now.

8. “ Please turn down the radio for me”, said my father.

- My father asked me to turn down the radio for him.

9. Lan will be fifteen next week.

- It is Lan’s fifteenth birthday next week.

10. How long is it since you used the pen?

- When did you begin to use the pen?

1. Keeping the environment clean is very important.

- It’s very important to keep the environment clean……………………………………………………………………………..

2. They will show the time machine to the public when they finish it.

- The time machine will be shown to the public when they finish it……………………………………………………………

3. He was delighted to receive his aunt’s letter.

- He was delighted that he received his aunt's letter…………………………………………………………

4. Old car tires are recycled to make shoes and sandals.

- People recycle old car tires to make shoes and sandals………………………………………………………………………..

5. I’m very sad that I wasn’t accepted in that group.

- I’m very sad not accepting in that group……………………………………………………………

6. It’s three years since I last spoke to her.

- I haven’t spoken to her for 3 years……………………………………………………………….....…

7. Tam doesn’t type as fast as she used to.

- Tam used to type faster than he does now……………………………………………………………….......

8. “ Please turn down the radio for me”, said my father.

- My father asked me to turn down the radio for him ……………………………………………………………

9. Lan will be fifteen next week.

- It is Lan’s birthday on next week…………………………………………………………………..

10. How long is it since you used the pen?

- When do you start using the pen …………………………………………………………………….?

1. Sports and games play an important role in children's lives.

2. My father thinks Brazil has the best football team in the world.

3. New York is the most exciting city in the world

 khôi nguyễn

1. Sports and games play are very important in children's lives.

 2. My father thinks Brazil has the best football team in the world.

3. New York is the most exciting city in the world.

1. Sports and games play an important role in children's lives.

2. My father thinks Brazil has the best football team in the world.

3. New York is the most exciting city in the world.

11. My sister walks to school.
12. The bank is near the post office.
13. Our garden has many flowers.
14. Ba doesn't live outside the city.
15. Nma doesn't live in the countryside.

11 My sister walks to school

12 The bank is near the post office

13 Our garden has many flowers

14 Ba doesn't live in the countryside

15 Nam doesn't live in the countryside

not stay up late every night.

wasn't accepted by her yesterday

1. I advise you not to stay up late every night.

- You should not stay up late every night.

2. She didn't accept my proposal yesterday.

- My proposal wasn't accepted by her yesterday.

@Uchiha_Shisui

50. Franklin is preparing for job interviews because he wants to get a new job.

51. I will teach Henry English as he needs to learn it.

52.  I usually work out at the gym early in the morning before I leave for work at eight a.m.

53. We went for a walk even though it was raining outside. 

54. Yvonne played golf extremely well when she was very young.

50 Franklin is preparing for job interviews because he wants to get a new job

51 I will teach Henry as she needs to learn English 

52 I usually work out at the gym before I leave for work at eight.

 53 Even though it was raining outside, we went for a walk 

54 When Yvonne was very young, she played golf extrememly well

1. Knowing how to avoid Coronavirus infection is very important for us. ( IT)

→ __It is very important for us to know how to avoid Coronavirus infection____

2, You need to be skillful at using computers. ( NECESSARY ) “be skillful at + s.th / doing s.th” = be good at + be talented at

→ ( It + ( be ) + adj + ) for S.0 + to do s.th: HTD

It is necessary for you to be skillful at using computers.

3. We were all bored with the bad weather. ( THAT ) – be bored with = be fed up with => be / get tired of

→ S + (be / feel / find/ get) + adj + that- Clause- QKD

We felt bored that the weather was bad

4. David is happy when he does volunteer work. ( TO ) : S + be + adj + to do s.th

→ ___David is happy to do volunteer work___

had lived 

very kind of 

pleased to hear 

relieved that 

There has been a sharp increase in the number of well-equipped schools.

1. He lived in Paris from 1997 to 1999. He moved to New York at the end of 1999.  (had)

→ He __had lived______________________ in Paris for three years before he moved to New York.

2. Thank you for inviting me to the party. You’re very kind.    (of)

→ It is _________very kind of _____________________________ you to invite me to the party.

3. I heard that you had got a new job. I was pleased.      (to)

→ I was ______________to hear________________________ that you had got a new job.

4. His passing the exam made me feel much relieved.   (that)

→ I was __________________relieved that________________________ he passed the exam.

5. The number of well-equipped schools has increased sharply.   (sharp)

→ _____There has been a sharp increase in the number of well-equipped schools
_________________________________________________________