Sue plans study abroad next year according to her parent’s advice.

2. Don't forget calling me as soon as you arrive here.

3. Lan should seriously consider to become a singer. She’s a great talent.

4. The teacher doesn’t let her students not use their mobile phones in class.

5. We hope having a chance to study together at the same university in the future.

6. This story with tragic ending made me crying.

7. After a two-hour discussion, we decided to expanding the car market in America.

8. Everyone in this company would like to promoted to a higher position.

9. You’d better spend too much money on shopping or you won’t have any left.

10.The doctors looked at the test result, but they decided to operate on the patient  

1.People think that Jack lived in London two years ago.

It……………………………………………………………………………………………………………………..

Jack …………………………………………………………………………………………………………………

2.They should announce that news  of the flsh flood as soon as possible.

……………………………………………………………………… ………………….………………………..

4. Phong has to return the scientific book he borrowd last week to the library by the end of this week.

………………………………………….………………………………………………………………….

15. The government will rebuild the memorial monument as soon as possible .

à…………………………………………………….………………………………………………………..

16. Will the teacher  accept papers written in pencils?

………………………………………………………………………………………………………………

17.  When is Lan going to invite her classmates to her birthday party?

à………………………………………….…………………………………………………………………….

18. Who often does the housework in your family?

………………………………………….…………………………………………………………………….

19. What should he contestants do to succeed in the battle rounds.

………………………………………….…………………………………………………………………….

20. Do your parents allow you to take part in the anti-drug campaign?

………………………………………….…………………………………………………………………….

 Ôtô đang chạy với vận tốc 15 m/s trên đoạn đường thẳng thì tăng tốc chuyển động nhanh dần đều.  Chiều dương là chiều chuyển động. Sau 30 giây ôtô đạt vận tốc 30 m/s, sau 40 s kể từ lúc tăng ga và vận tốc trung bình của ô tô là  A. 35 m/s. B. 20 m/s. C. 30 m/s. D. 25 m/s. 

1. The girl asked her parents (give) ……………………………………………her some advice.

2. Conservatories are suitable for students who wish (develop) ………………………………..their performance, conducting or composition skill to a professional standard.

3. The purpose of a music school is (train) ………………..children (proceed) ………………………..towards self-sustaining careers in music.

4. Whenever we met me, Jack avoids (look) …………………………………at me.

5. Most people enjoy (travel) ……………………………to different parts of the world.

6. John is considering (change) ………………………………her major from pre-med studies to psychology.

7. My lawyer advised me (not/say) ………………………………….anything further about the accident.

8. Nobody has offered (buy) …………………..the house next door, so I think they’re going to lower the price.

9. When the university suggested (raise) ……………the tuition gain, the student senate protested vigorously.

10. The city council agreed (accept) ………………. The architect’s proposed design for a new parking garage

10. People think that Jack lived in London two years ago.

 ……………………………………………………………………………………………………………………..

-> Jack …………………………………………………………………………………………………………………

11- Our body cannot make essential fatty acids orvitamins, so we must obtain them through diet.

=>………………………………………………………………………………………….………………………

12. It is believed that the wanted man is living in New York

→The wanted man ………………………………………………………………………………………….

13. They should announce that news  of the flsh flood as soon as possible.

à……………………………………………………………………… ………………….………………………..

14. Phong has to return the scientific book he borrowd last week to the library by the end of this week.

………………………………………….………………………………………………………………….

15. The government will rebuild the memorial monument as soon as possible .

à…………………………………………………….………………………………………………………..

16. Will the teacher  accept papers written in pencils?

à………………………………………………………………………………………………………………

17.  When is Lan going to invite her classmates to her birthday party?

à………………………………………….…………………………………………………………………….

18. Who often does the housework in your family?

………………………………………….…………………………………………………………………….

19. What should he contestants do to succeed in the battle rounds.

à………………………………………….…………………………………………………………………….

20. Do your parents allow you to take part in the anti-drug campaign?

………………………………………….…………………………………………………………………….

1. People think that it is the most serious flood in history.

…………………………….……………………………………………………………….…………………...

2. People say that you send your application form to the university.

àIt……………………………………………………………….……………………………………………………

->You …………………………………………………………………………………………………………………

3. They say that this girl is very beautiful.

……………………………………………………………….……………………………………………………

→This girl …………………………………………………………………

4. They believed that he went abroad to study English.

-> He …………………………………………………………………………………………………………………...

5. The policeman ordered me to open the suitcase.

-> The policeman ordered me that …………………………………………………………………………………….

-> I …………………………………………………………………………………………………………………..

6. My sister doesn’t like anyone asking personal questions.

-> My sister………………………………………………………………………………………………………….

7. They urged the government to create more jobs.

-> They urged that ………………………………………………………………………………………………….

-> The government …………………………………………………………………………………………………..

8. They suggested banning the sale of alcohol at footbal matches.

-> They suggested that ……………………………………………………………………………………………….

9. They reported that the old man died yesterday.

-> The old man …………………………………………………………………………………………………………

1.She couldn’t help (shed) __________________ tears when she saw the film “Romeo and Juliet”.

4.It's no good (write) ______________ to him; he never answers letters. The only thing (do) ___________________ is (go)___________________ and (see) ________________________him.

8. I didn't like (cross) ______ it because of the bull. I never see a bull without (think) _________________that it wants (chase) _____ me.

11. The people in the flat below seem (be)______  having a party. You can hear the champagne corks (thud)_____________________ against their ceiling

. The injured ____ to the hospital in an ambulance.

A. have taken              B. was taking                          C. were taken              D. were taking

22. After marriage, Mrs. Hoa always keeps good ____ with her mother-in-law.

            A. association              B. relation                               C. friendship               D. relationship

23. In many countries, divorces ____ to rise because of long-standing conflicts.

            A. tend            B. have                                    C. aim                          D. encourage

24. It ____ that the painting is a fake.

A. believed                  B. is believed                          C. is believing             D. was believing

25. Most studies ____ that acupuncture does not reduce nausea and vomiting caused by radiation therapy.

A. are shown               B. were shown                        C. have shown D. have been shown

. I think that the number of people who are ( decrease ) .................................. dramatically next quarter.

Oxi có 3 đồng vị ¹⁶O,¹⁷O,¹⁸O.Biết % các đồng vị tương ứng là x₁,x₂,x₃ trong đó x₁=15x₂,x₂=21x₃,Khối lượng nguyên tử trung bình của oxi là