\(\left\{{}\begin{matrix}\frac{5x-9}{x-2}+\frac{4y+31}{y+7}=11\\\frac{3x-4}{x-2}-\frac{2y+19}{y+7}=-11\end{matrix}\right.\)

Đề mình để ở dưới

1. She won’t go for a picnic with my family this summer vacation.

=>I wish

2. “Why don’t you organize a music show to raise money for the poor?” my mother said to us.

=>My mother suggested

3. Nam felt really tired after a hard-working day, so he went to bed earlier than usual.

=>Owing to

4. They last came back Vietnam five months ago.

=>They haven’t

5. “Why don’t we discuss this problem tomorrow morning?” he said.

=>He suggested

6. Although she likes chocolate very much, she tries not to eat it.

=>Despite

7. In spite of working hard all day, he didn’t feel tired at all.

=>Even though

8. Though the exercise was very difficult, we finished it on time.

=>In spite

9. The architect has drawn plans for building a new hospital.

=>Plans

10. The reason of his leaving early was that the room was very crowded.

=>he left early

11. One runner was too exhausted to complete the last lap of the race.

=>One runner was so

12. “Will you be all right if I come in little late tonight?” he asked the girl.

=> He asked

13. No one has made comments on the event.

=>Comments

1. Lan’s brother gave her a story for her birthday.

=>Lan

2. It was such a bad news that Mai burst into tears.

=>The news

3. If Hong doesn’t study harder, she’ll fail the exam.

=>Unless

4. I’d like to visit England more than any other country in the world.

=>England is

5. The flight to Ho Chi Minh city lasted one hour and a half.

=>It took

6. I don’t want to go to the party tonight

=>I don’t feel like

7. She can’t have more children because of her age

=>She is too

8. He lost his money simply because he wasn’t careful

=>If

9. Tom and Mary moved to Paris 20 years ago

=>It is

10. I haven’t seen so much rain for a long time

=>It

11. They will ask you a lot of questions at the interview.

=>You

=>A lot of

12. Nobody told me that George was ill.

=>I

13. His colleagues gave him a present when he retired.

=>He

=>A present

14. We will send you the results as soon as they are ready.

=>You

15. People think they should have offered Tom the job.

=>It

16. They say that many people are homeless after the tsunami.

=>It

=>Many people

17. They know that the Prime Minister is in favour of the new law.

=>The Prime

18. They expect that the government will lose the election

=>It is

=>The government

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