\(x+2=2+4\)

\(=>x+2=6\)

\(=>x=6:2\)

\(=>x=3\)

1. I _______this film twice.

A. see B. saw C. will see D. have seen

2. –Peter, please help me do the washing up. – Sorry, Mum. I ____TV.

A. watch B. am watching C. had watched D. watched

3. The farmers _____ in the field now.

A. were working B. have worked C. worked D. are working

4. The war _____ out three years ago.

A. broke B. had broken C. has broken D. was breaking

5. He ______ a cup of coffee every morning.

A. drinks B. drank C. is drinking D. has drunk

6. She ______ a lot of new books.

A. had just bought B. has just bought C. buys D. bought

7. Up to the present, Nam_____ good work in his class.

A. does B. has done C. had done D. did

8. At present, that author ______ a historical novel.

A. is writing B. was writing C. has written D. had written

9. By next month, I _____ my first novel.

A. will finish B. am going to finish C. finish D. will have finished

10. Phong ______ at the university so far.

A. had worked B. was working C. worked D. has worked

11. How long _____ able to drive? – since 1990.

A. could you B. have you been C. were you D. are you

12. They ______ since eight o’clock.

A. are talking B. have been talking C. talked D. talk

13. My brother _______ in the army from 1990 to 1995.

A. served B. has served C. had served D. is serving

14. At this moment, I _____ that we have a good chance of victory.

A. was feeling B. am feeling C. feel D. had been feeling

15. I _____ the money from him yet.

A. haven’t received B. don’t receive

C. will receive D. am receiving

16. This is the most interesting book _____ .

A. I’ve read B. I had read C. I’ve ever readed D. I’ve ever read

17. I ____ him ten days ago.

A. see B. saw C. have seen D. will see

18. It ______ a long time since I last saw him.

A. is B. was C. will be D. had been

19. She _____ so hard this week that she doesn’t have time to go to the hairdresser’s.

A. works B. worked C. has been working D. had worked

20. Mr. John_______ to Los Angeles in 1992.

A. had gone B. has gone C. went D. was going

21. What ______ to you yesterday?

A. happened B. did happen C. had happened D. has happened

22. I never go to Australia. I _____ to Australia yet.

A. will go B. went C. haven’t been D. have been

23. What _____ do at 7:00 tomorrow morning.

A. will you B. shall you C. were you D. did you

24. Why ______ you come yesterday?

A. couldn’t B. can’t C. didn’t D. A and C

25. My mother ______ in this factory since 1990

A. works B. worked C. has worked D. had worked

26. I _____ my hair before breakfast this morning.

A. washed B. had washed C. was washing D. have washed

27. I _____ about him when he suddenly came in.

A. talk B. talked C. am talking D. was talking

28. He will finish this work before you _______ here tomorrow.

A. leave B. will leave C. would leave D. are going to leave

29. Don’t make noise. My mother ______ with her friends.

A. is talking B. was talking C. talks D. talked

30. He _____ in this office for ten years by next Monday. A. will have been working

B. would be working C. will work D. will be working

31. No sooner _____ the office than the telephone rang.

A. was he leaving B. he was leaving C. he had left D. had he left

32. George______ this movie three times.

A. sees B. has seen C. saw D. had seen

33. Food, air and clothes _______ necessary for life.

A. was B. were C. is D. are

34. He ______ a visit to Halong Bay in 1995.

A. had paid B. paid C. has paid D. pays

35. This morning while I ______ for the bus, the rain stopped.

A. waited B. have waited C. had waited D. was waiting

36. What _____ during the last few weeks.

A. did you do B. had you been doing

C. have you been doing D. were you doing

37. Up to now, the teacher _______ our class five tests.

A. gives B. is giving C. has given D. had given

38. The students _____ English now.

A. study B. are studying C. will study D. have studied

39. I don’t feel good. I _____ work tomorrow.

A. won’t be going B. won’t go to C. don’t go D. went

40. He is tired because he ____ all day.

A. had worked B. has worked C. worked D. works

41. _____ at home tonight?

A. are you staying B. do you stay

C. were you staying D. did you stay

42. We _____ in this house for ten years.

A. are living B. were living C. had lived D. have lived

43. She ____ in the departure lounge for a long time.

A. is waiting B. was waiting C. waits D. has waited

44. I ______ my driving test on Friday.

A. have passed B. had passed C. passed D. was passing

45. I ______ a vegetarian since 1998.

A. am B. was C. have been D. had been

Complete the passage with the words given in the box.

ethnic, for, villages, dress, valleys, home, at, with, provide, their

The villages surrounding Sa Pa (1)______ to several of Vietnam's 54 ethnic minority groups, each with their own distinctive (2) _________, customs and dialects. These tribes can all be seen (3)______ the weekend market in Sa Pa town to trade (4) _______ one another. Apart from its fascinating (5)_______ diversity, Sa Pa is also famous (6)________ its trekking. With Vietnam's highest peak, Mt.Fansipan (3,143m) only 9km away the (7) ________ and mountains (8) _________ the perfect backdrop for some great treks. Some of the (9) _________ now have local stays where you can stay overnight with a family in (10) _________ traditional home.

Fill in each blank of the passage with the correct word/phrase from the box.

a tour, ethnic groups, little bridges, information, research, cultural heritage, stilt house, display area

Vietnam Museum of Ethnology in Ha Noi offers an insight into the 54 different ethnic groups of Vietn Nam in an effort to preserve (1) __________.

The museum is full of (2) _________ about traditional traditional Vietnamese ways of life of all the Vietnamese.

The display hall shows everyday objects representing each ethnic group, a (4) _______ center, a library and an auditorium. Its indoor exhibition area provides you (5) ________ which includes the Viet, Muong, Tay, Thai, H'Mong, Yao, Khmer, Cham, and Hoa ethnic groups.

The outdoor (6) ________ presents a variety of Vietnamese homes including a Tay (7) ________ and Viet house, each separated by a small stream and reached via (8)_________. The museum is suitable for children, and all documents and signs are translated into English and French.

Trên một đường thẳng lấy n điểm A₁, A₂, A₃…., A_n. Qua các điểm này vẽ các đường thẳng song song với nhau. Tính giá trị của n để trong hình có đúng 100 tia.

Choose the letter A, B, C or D the word that has the underlined part different from others.

A. nurture

B. extended

C. lifting

D. critical

Để tiến hành chiến lược “Chiến tranh đặc biệt” (1961-1965) ở miền Nam Việt Nam, Mỹ đã

A. Tăng nhanh lực lượng quân đội Sài Gòn. 

B. Ồ ạt đưa quân viễn chinh Mỹ vào miền Nam. 

C. Mở rộng chiến tranh ra toàn Đông Dương. 

D. Sử dụng chiến thuật “tìm diệt” và “bình định”.

Chỉ dùng 1 hóa chất nào sau đây để nhận biết các dung dịch: NH₄Cl, NaOH, NaCl, H₂SO₄, Na₂SO₄, Ba(OH)₂?

A. Dung dịch phenolphtalein

B. Dung dịch AgNO₃

C. Dung dịch quỳ tím.                   

D. Dung dịch BaCl₂