1. The traffic in city centers is ..................... than the traffic in the country.

2. This is ..................... book I have ever had.I fell asleep as soon as I started reading it.

3. A house in London is ..................... than a house in Sheffield.You can buy a house in Sheffield with this money, but in London you can't.

4. If you ask me , Albert Einstein was ..................... person in the world history.

5. Nowadays unemployment is ..................... problem of the European Union.

6. Frank got A+ from all his exams this semester.He studies really hard.He is ..................... student in the collage.

7. People feed cats and dogs in their houses.They are both friendly , dogs are ..................... than cats.

8. All the whales are big,but blue whales are ..................... animals on earth.

9. Cindrella is ..................... than her stepsisters.In the end she marries the prince.

10. If you want to eat ..................... pizza around here you should visit Pizzarium at the left end of this street.

11. You should be respectful to your aunt and uncle.They are much ..................... than you are.

12. ..................... building in the world is in Dubai.Its name is Burj Khalifa and it was opened on January 4,2010.

13. I would rather go bungee-jumping.I think it's ..................... than going fishing.

14. A cobra snake is ..................... snake in the world.When it bites an adult , he dies in seconds.

15. ..................... place in the world is Atamaka Desert in South America.The average rainfall there is 1 mililitre per year.

16. It was ..................... dinner I've ever had.I think I won't go to that restaurant again.

17. If drive ..................... than 50 miles per hour the police will stop us.

18. Susan's father bought her a nice dress and a pair of elegant shoes for her birthday.She must be ..................... girl on earth. 

1 , Choose the odd one out    Thêm giải thích tại sao chọn đáp án đó

1         a. nevous    b. worried    c. happy    d. moment

2         a .chicken    b. vegetables    c. beef    d. dinner

3         a. carrot    b. pea   c. chopstick    d.cucumber

4         a. durian    b. plate    c.bow   l d. bottle

2 Choose correct answer

1. He has plenty of homework .......... tonight

a. to do   b. do   c. doing   d. will do

2 . Hoa ........... the busy city traffic now

a. used to   b. uses to   c. gets used to   d. gets use to

3 . On the table , there are vegetables , bread and two large ..........

a. bowl of soup   b. bowls of soup   c. bowl of soups   d. bowls of soups

4 . I hope the ......... can repair our car quickly .

a. mechanic   b. reporter   c. nurse   d. journalist

5 . What kind of ........... do you like ? I like cartoon

a. books   b. pictures   c.flowers   d. films

Choose the best answer A, B, C or D.

1. You ____________ miss any of the meetings. They're always very useful.

A. needn't                                   B. should                                   C. shouldn't                                   D. can

2. We have the custom _____________ giving presents at Christmas.

A. of                                   B. on                                   C. in                                   D. with

3. Children like Tet______________ they can wear new clothes and receive lucky money.

A. because                                   B. so                                   C. therefore                                   D. while

4. The Hung King Temple festival _______________ in Phu Tho.

A. take                                   B. take places                                   C. takes place                                   D. take place

5. The Xoe dance is a _______________ tradition of Thai ethnic people.

A. physics                                   B. spiritual                                   C. material                                   D. practical

Give the correct form of the following verbs:

1. My mother always tells me that I have to _______________ home by 9 p.m.                                   ( be )

2. When I came, the whole family _______________ dinner around a big dining table.                                   ( have )

3. Children should ________________ things from adults with both hands.                                   ( take )

4. The Hung King's sons _________________ him many special foods.                                   ( offer )

5. You ________________ jeans at school for 5 years.                                   ( wear )

Để \(\frac{\sqrt{x+1}}{\sqrt{x-2}}=\sqrt{\frac{x+1}{x-2}}\) là số nguyên thì \(\frac{x+1}{x-2}\) là số chính phương

Khi đó \(x+1⋮x-2\)

\(\Leftrightarrow x-2+3⋮x-2\)

\(\Leftrightarrow3⋮x-2\)

\(\Leftrightarrow x-2\in\left\{1;3;-1;-3\right\}\)

\(\Leftrightarrow x\in\left\{4;5;1;-1\right\}\)

Thay vào thử nha !

Ex1 : Chọn từ phát âm khác

1. A cost   B. most   C. post    Dw. roast

2. A. come   B. home   C. some  D. none

3. A. cow   B. now   C. how   D. show

4. A. name   B. classmate   C. paper   D. thank

5.A hi    B. fine   C. night   D. children

6. A. copy   B. drop   C. history   D. novel

7. A. magazine   B. mathematics   C. manage   D. watch

8. A. paint   B. same   C. pass   D. paper

9. A. nice   B. recess   C. soccer   D. center

Ex2 : chọn từ khác nghĩa

1.A. behind   B. front   C. near   D. road

2. A. came   B. bought   C. visit   D. learnt

3. A books   B. supermarket   C. students   D. classes

4. A. History   B. English   D. Maths   D. Vietnam

5. A. doctor   B. teacher   C. professor   D. student

6. A.game   B. talk   C. drink   D. eat

7. A. player   B. worker  C. painter   D. cooker