1. COMPLETE. USE THE PRESENT SIMPLE OR PRESENT CONTINUOUS. A. Every year, we ___________________ (send) each other cards and ______________ (give) ach other presents at Christmas Day. B. Today Mr. Smith ___________________________ (decorate) his house with coloured lights and a Christmas tree. C. On New Year’s Eve, people ______________________ (often / have) a party with their families and friends and they _________________ (celebrate) it with fireworks too. D. At this moment my mother ________________________ (sew) our costumes for Halloween. My sister and I ___________________ (dress up) as witches. E. At Eid ul-Adha, Muslims _______________________ (always / eat) a special meal. F. My boyfriend ______________________ (buy) some yellow flowers and a card right now. Todays is Valentine’s Day! G. My cousin is Hindu and now she ________________________ (celebrate) the Diwali, which is a traditional festival for them. My cousin and her family _____________________ (usually / set off) fireworks and ________________________ (share out) some sweets. H. My mother _____________ (to be) disappointed with me because I ___________________ (not go/ usually) to church in Easter. She is a believer in the Catholic faith and she ________________ (love) Christ, so on Good Friday she __________________ Christ’s death on the Cross. I. I _______________________ (think) about my degree seriously

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Exercise 1: Complete the following tag questions:
1. Lan enjoys watching TV after dinner, _____?
2. Tam didn’t go to school yesterday, _____?
3. They’ll buy a new computer, _____?
4. She can drink lots of tomato juice every day, _____?
5. She may not come to class today, _____?
6. We should follow the traffic rules strictly, _____?
7. Your mother has read these fairy tales for you many times, _____?
8. He seldom visits you, _____?
9. You’ve never been in Italy, _____?
10. That’s Bob, _____?
11. No-one died in the accident, _____?
12. I’m supposed to be here, _____?
13. Nothing is wrong, _____?
14. Nobody called the phone, _____?
15. Everything is okay, _____?
16. Everyone took a rest, _____?
17. Going swimming in the summer is never boring, _____?
18. Let’s dance together, _____?
19. Don’t talk in class, _____?
20. Sit down, _____?
21. This picture is yours, _____?
22. Hoa never comes to school late, _____?
23. You took some photos on the beach, _____?
24. He hardly ever makes a mistake, _____?
25. We must communicate with you by means of e-mail or chatting, _____?
26. Nobody liked the play, _____?
27. She’d saved money if she bought fresh food, _____?
28. The area was evacuated at once, _____
29. She’s very funny. She’s got a great sense of humor, _____?
30. It never works very well, _____?
31. Mr.Smith usually remembered his wife’s birthdays, _____?
32. Neither of them offered to help you, _____?
33. He ought to have made a note of it, _____?
34. There’ll be plenty for everyone, _____?
35. Let’s go out for dinner tonight, _____?
36. That isn’t Bill driving, _____?
37. Nothing went wrong, _____?
38. There used to be trees here, _____?
39. This won’t take long, _____?
40. Don’t touch that button, _____?
41. I’m not too late, _____?
42. Not a very good film, _____?
43. Somebody wanted a drink, _____?
44. They think he’s funny, _____?
45. The fire wasn't started deliberately_____?

Exercise 2: Complete the following tag questions:
1. You aren't afraid of snakes_____?
2. Ann isn't at home_____?
3. You don't know French_____?
4. Tom didn't see her_____?
5. This isn't yours_____?
6. Mary wasn't angry_____?
7. Bill hasn't had breakfast_____?
8. You won't tell anyone_____?
9. I didn't wake you up_____?
10. Tom doesn't like oysters_____?
11. You don't want to sell the house_____?
12. It doesn't hurt_____?
13. People shouldn't drink and drive_____?
14. You aren't going alone_____?
15. They couldn't pay the rent_____?
16. You don't agree with Bill_____?
17. There wasn't a lot to do_____?
18. I needn't say anything _____?
19. That wasn't Ann on the phone_____?
20. You didn't do it on purpose_____?
21. This won't take long _____?
22. She doesn't believe you_____?
23. It didn't matter very much_____?
24. He shouldn't put so much salt in it_____?
25. Mary couldn't leave the children alone_____?
26. You aren't doing anything tonight_____?
27. You wouldn't mind helping me with this_____?
28. George hadn't been there before_____?
29. The children weren't surprised_____?
30. You wouldn't like another drink_____?

I.                   Complete the second sentence so that it has a similar meaning to the first.

1.      There were some trees in the field, but now there aren’t any.

à There used _________________________________________________________________.

2.      They didn’t often go to the cinema every Sunday last year.

à They didn’t use______________________________________________________________.

3.      My hair now is much longer than that in the past.

à In the past my hair used _______________________________________________________.

4.      Did you often go to the beach when you lived in Nha Trang?

à Did you use ________________________________________________________________.

5.      Mr. Nam often went to work by motorbike, but now he does to work by bus.

à Mr. Nam __________________________________________________________________.

They will build a hydropower station in the North of the country next year.

à A hydropower station..........................................................................................

They sell these chemicals everywhere in my hometown.

à These chemicals....................................................................................................

8.      The new restaurant looks good. It seems to have few customers. (however) ___________________________________________________________________

9.      We had planned to walk right round the lake. The heavy rain made this impossible. (although)

___________________________________________________________________

10.  I’ve been  too busy to answer my email. I’ll do it soon. (nevertheless)

___________________________________________________________________

11.  Mary was sick. She didn’t leave the meeting until it ended. (despite)

___________________________________________________________________

12.  We live in the same street. We rarely see each other. (in spite of)

___________________________________________________________________

13.  Is this your suitcase?               -> Is this _________________________________________________

14.  This was their house.               ->This house ______________________________________________

15.  Are those his shoes?                -> Are those ______________________________________________

16.  These are my pens.                -> These pens _____________________________________________

17.  Will this be my desk?              -> Will this _______________________________________________

XIII. Rewrite the sentences so that they have the same meaning as the original ones.

1. How long did she spend doing her homework every day?

 How long did it ……………………………………………………………?

2. What is the distance between Hue and Da Nang?

 How far………………………….………………….……………..…….?

3. Although she eats lots of food, she is still very slim.

 In spite of …………………………………………………………………..

4. Road users should obey traffic rules strictly. Traffic rules should………………………………….

6. This is our school. → This school is ……………………………..…………………………

7. They will use solar energy to protect the environment.

 Solar energy …………………………………………………………………..

8. They will show flying cars to the public when they finish it. 

 Flying cars ……………………………………………………………………..

9. They will install solar panels on the roof of our house next week.

 Solar panels ………………………………………………………………

10. We will be using biogas for cooking and heating at this time next month.

 Biogas ………………………………………………………………………………...

11. People won’t burn fossil fuels for energy in the future.

 Fossil fuels …………………………………………………………………

12. New York has more billionaires than Tokyo. (FEWER)

 ……………………………………………………………………………………….

13. A group of foreigners visited the slums last week, didn’t they? (VISIT)

 ……………………………………………………………………………………….

14. The countryside doesn’t suffer as much pollution as the city. (LESS)

 ……………………………………………………………………………………….

15. Jakarta doesn’t have as many skyscrapers as Shanghai. (MORE)

 ……………………………………………………………………………………….

16. Let’s go to the school cafeteria. (ABOUT)

……………………………………………………………………………………….

XII. Make the questions for the underlined parts in the following sentences

1. Most of my classmates go to school by bike.  _________________________________________________

2. It is 10 kilometers from here to ACB bank.  

How far s it from here to acb bank

3. I have known Marie for nine years.  

when did you known marie

4. Yes, they used to be friends at the university.  

5. Sarah left two hours ago.  _________________________________________________

6. She is watching Tom and Jerry.  _________________________________________________

7. It is an action film.  _________________________________________________

8. She likes watching comedy.   _________________________________________________

9. It stars Ninh Duong Lan Ngoc  _________________________________________________

10. I felt terrified before my last Maths test. 

Bài 1: Hình thang cân ABCD có đáy nhỏ AB bằng cạnh bên BC. Chứng minh CA là tia
phân giác của BC · D
Bài 2: Cho hình thang cân ABCD (AB // CD, AB < CD ). Gọi O là giao điểm của AD
và BC; Gọi E là giao điểm của AC và BD. Chứng minh:
a) Tam giác AOB cân tại O;
b) Các tam giác ABD và BAC bằng nhau;
c) EC = ED;
d) OE là trung trực chung của AB và CD.
Bài 3: Cho hình thang cân ABCD (AB // CD) có µ A C  2µ. Tính các góc của hình thang cân
Bài 4: Cho hình thang cân ABCD (AB//CD) có đường chéo BD vuông góc với cạnh bên
BC và đồng thời DB là tia phân giác của ADC.
a) Tính các góc của hình thang cân ABCD.
b) Biết BC = 6 cm, tính chu vi và diện tích của hình thang cân ABCD.