Cho em hỏi cách giải tự luận của bài này mà không dùng tọa độ Oxyz ạ. Em cảm ơn.

1. People know that he is armed.
It 
He 

2. It is believed that the man was killed by terrorists.
The man 

3. People think that the company is planning a new advertising campaign.
It 
The company 

4. It is alleged that the man was driving at 110 miles an hour.
The man 

5. People know that the expedition reached the South Pole in May.
It 
The expedition 

6. People consider that she was the best singer that Australia has ever produced.
It 
She 

7. It is expected that the weather will be good tomorrow.
The weather 

8. A lot of people believe that the Prime Minister and his wife have separated.
It 
The Prime Minister and his wife 

9. People have acknowledged that underfunding contributed to the problem.
It 
Underfunding 

10. People believe that he has special knowledge which may be useful to the police.
It
He 

11. Journalists suppose that the footballer is earning ten million pounds a year.
The footballer 

12. It is reported that the damage is extensive.
The damage 

Tìm tất cả giá trị của m để hàm số y=\(\sqrt{x^2+2mx+m^2+1}\) đồng biến trên khoảng (1;+∞)

1. “Why don’t we stay in Madrid overnight?” Said Silvia. (proposed)
2. “Your cousin speaks English very well” Paul told me
=> Paul said that 
3. “The man broke out  of prison yesterday” said the policeman
=> The policeman told us 
4. “I’ll lend you this book as soon as I finish it” Owen said to me
=> Owen said
5. “I think I forgot to turn off the lights this morning” Brenda told Brian
=> Brenda told Brian
6. “I work eight hours a day, except when the children are on holiday” said Mrs. Wood
=> Mrs. Wood said
7. “You’ve been making good progress this semester” Miss Lynn told me
=> Miss Lynn said that
8. “If you bought all the tickets, you would win the lottery” the man said
=> The man told me
9. “I like swimming but I don’t go very often” Jill said to Pam
=> Jill said that 
10. 'If I were you, I'd stop smoking,' she said to her brother'.
11. 'If the baby is a girl what will they call her? he wondered.
12.'If I don't practise my English I won't get any better,' she said.
13. 'If you have time, wash the floor,' he said.
14. 'If we had a calculator, we could work this out a lot quicker,' they said.
15. 'If you don't apologize, I'll never speak to you again.' he said.
16. 'What would you do if you were having a problem with grammar, Jane?' Anne asked.
17. 'If you happen to be in our area, drop in and see us,' they said.
18. 'If I had any money I'd buy you a drink,' she said to me.
19. 'If I catch the plane I'll be home by five,' he said.
20. 'You should stay in bed if you feel unwell.' my mother said.