6. We went to Dong Xuan Market. We flew back to Ho Chi Mirth City at 7pm.

A. We went to Dong Xuan Market while we flew back to Ho Chi Minh City at 7pm.

B. Before we flew back to Ho Chi Minh City at 7pm, we went to Dong Xuan Market.

C. We went to Dong Xuan Market in order that we flew back to Ho Chi Minh City at 7pm.

D. As we went to Dong Xuan Market, we flew back to Ho Chi Minh City at 7pm.

8. Richard is very wealthy. He can afford to buy almost anything he wants.

A. Although Richard is very wealthy, he can afford to buy almost anything he wants.

B. Richard is so wealthy that he can afford to buy almost anything he wants.

C. Richard is very wealthy so that he can afford to buy almost anything he wants.

D. Richard can afford to buy almost anything he wants, but he is very wealthy.

Tokyo is Japan’s largest city. It’s also one of (25) _______ cities in the world. Since 1457, Tokyo (26) _______ into a major part of a complex region that also includes “With hard work and effort, you can achieve anything”- Antoine Griezmann 19 the cities of Yokohama and Kawasaki. The metropolitan region, also known (27) _______ Greater Tokyo, (28) _______ over 30 million residents, which makes it one of the largest metropolitan areas in the world.

25. A. the largest B. larger C. most largest D. more large

26. A. grew B. has grown C. grows D. had grown

27. A. to B. as C. from D. with

28. A. have B. had C. to have D. has

Anxiety during puberty

Many psychologists believe that boys and girls are prone to anxiety when they experience puberty for a number of (1)______. Puberty often starts at the middle of (2) ____ (from 15 to 17 years old) when people experience rapid changes in their body as well as their brain. Such changer may cause a lot of anxiety if adolescents are not (3) ____ of what they are undergoing. For girls, acne is always a big crisis and for boys, changes in their voice sometimes bother them. Those teenagers may lose their confidence because they are ashamed of the changes of appearance. Besides, the surge in hormones also (4) ____ to high level of anxiety of teenagers. During puberty, mood swing happens very often and teenagers easily get (5) __________ at tiny problems. It is necessary that parents fully understand their children to help them deal (6) ____ anxiety.

1. A. reason B. reasons C. reasoning D. reasonable

2. A. adolescence B. adolescent C. adulthood D. adult

3. A. well-aware B. well-understand C.self-discipline D.well-behaved

4. A. comes B. contributes C. distributes D. attributes

5. A. interested B. keen C. frustrated D. excited 6. A. on B. in C. with D. about

1. -“Would you like to have dinner with me?” – “______ ”

A. Yes, I’d love to. B. Yes, so do I. C. I’m very happy. D. Yes, it is

2. -“Do you mind if I open the window?” – “______”

A. Go ahead. B. By all means. C. No, not at all. D. Thank you.

3. -“I’m sorry for being late.” - _____”

A. Try your best. B. It’s doesn’t matter. C. Not at all. D. That’s right.

4 - “How about going to Australia for our next holiday?”- “_____”

A. Sounds great! B. Well done! C. No, I don’t D. What a pity!

5. -“Thanks a lot for your help.” - “_____”

A. Don’t mention it. B. Oh, I’m sorry to hear that. C. Oh, that’s too bad. D. Of course.

1. I’ve been studying very hard for my final exams, but I always feel ___________.

A. tired B. calm C. worried D. frustrated

2. The boy looks _________ when he sees his parents at the door of the classroom.

A. relaxed B. confused C. tired D. left-out

3. Pressure_________children to get into top schools has reached a crisis point.

A. at B. under C. on D. with

4. A great way to improve________skills is to keep trying new things.

A. reason B. reasoned C. reasoning D. reasons

5. I am not sure how___________ this problem.

A. to solve B. solving C. solve D. to solving

IV. Circle the underlined part that needs correction.

1. I am in trouble now. I wish I listen to your advice carefully.

2. The weather is really awful. I wish it will get better soon.

3. In spite the danger, they managed to cross the river during the night.

4. I look forward to hear from my mother in Singapore.

5. I haven’t seen Huong for she left for Ha Noi.

1. ________ she was young, she was the most famous artisan in the village. A. When         B. Although        C. Whereas         D. In order to

2. He studies hard. He doesn’t want to fail the exam. He studies hard _________fail the exam.

A. not to      B. so as not to       C. in order to       D. so that

3. This vase is a beautiful piece of________. It's made from clay dug from our river banks.

A. drum       B. pottery        C. painting           D. basket

4. Do you know who's________ his pottery workshop?

A. bring out       B. taking over       C. passing down      D. turning down

5. This sports centre is so small that it cannot________the demands of local residents.

A. keep up with       B. face up to       C. deal about         D. setup

1. ________ she was young, she was the most famous artisan in the village. A. When B. Although C. Whereas D. In order to

2. He studies hard. He doesn’t want to fail the exam. He studies hard _________fail the exam. A. not to B. so as not to C. in order to D. so that

3. This vase is a beautiful piece of________. It's made from clay dug from our river banks. A. drum B. pottery C. painting D. basket

4. Do you know who's________ his pottery workshop? A. bring out B. taking over C. passing down D. turning down

5. This sports centre is so small that it cannot________the demands of local residents. A. keep up with B. face up to C. deal about D. setup

Bài 4. a) Tính giá trị biểu thức:

A = cos² 20° + cos² 40° + cos² 50° + cos² 70°.

   b) Rút gọn biểu thức:

B = sin⁶ a + cos⁶ a + 3 sin² a. cos² a

cho tam giác ABC nhọn , đường cao AD,BE,EF cắt nhau tại H . CM:\(\dfrac{FE}{BC}=cosBAC\)