1. Minh does morning exercises regularly. He wants to be healthy ( so as to )

Minh does morning exercises regularly so as to be healthy

2. I’m learning English. I want to read book in English. (in order to)

I’m learning English in order to read book in English.

3. She said nothing . She didn’t want to make him angry (so as to)

She said nothing so as not to make him angry

4.The man was taken to the local hospital. He was injured in the accident. (past participle)

The man injured in the accident was taken to the local hospital

5. The musician is internationally famous. He appeared in the concert last night. (present participle)

The musician appearing in the concert last night is internationally famous.

1. Keeping the environment clean is very important.

- It’s very important to keep the environment clean.

2. They will show the time machine to the public when they finish it.

- The time machine will be shown to the public when it is finished.

3. He was delighted to receive his aunt’s letter.

- He was delighted that his aunt sent him a letter.

4. Old car tires are recycled to make shoes and sandals.

- People recycle old car tires to make shoes and sandals.

5. I’m very sad that I wasn’t accepted in that group.

- I’m very sad not to be accepted in that group.

6. It’s three years since I last spoke to her.

- I haven’t spoken to her for three years.

7. Tam doesn’t type as fast as she used to.

- Tam used to type faster than she does now.

8. “ Please turn down the radio for me”, said my father.

- My father asked me to turn down the radio for him.

9. Lan will be fifteen next week.

- It is Lan’s fifteenth birthday next week.

10. How long is it since you used the pen?

- When did you use the pen?

1.Minh has collected stamps since he was a child

2. I am not working tomorrow so we can go somewhere

3 They are going back to England in two months

4.TV is bringing not only infor but also entertainment

5. at home on the farm, life is always a struggle with nature

Nam is a student. This year he had a very interested summer

1/ ___interesting________

holiday. He traveled, with him classmates, to a mountainous area

2/ ______his_____

in Hoa Binh province. They gone there to help make a road

3/ ____went_______

through a forest among two villages. “ It was very difficult

4/ _____between______

because there had no water to drink and no shops where we

5/ ______was_____

could bought food,”said Nam. “ It was very cold and wet

6/ ____buy_______

in the mountains. It is one of the wetter places in the country.”

7/ ____wettest_______

Nam stayed in the mountains since six weeks. It was hard work,

8/ ____for_______

But he says it was the best thing he has ever did. He is hoping

9/ ____done_______

to return next year to do any more work there

10/ ___some_______

1.Minh has collected stamps since he was a child

2. I am not working tomorrow so we can go somewhere

3 They are going back to England in two months

4.TV is bringing not only infor but also entertainment

5. at home on the farm, life is always a struggle with nature

Brave is person not afraid of anything.

A food chain is the way energy goes from one living thing to another through food. Plants are the first (16) _______ in most food chains. Plants use the energy in sunlight to make their own food. Plants store the energy in their leaves and stems. Plants are called primary producers in food chains. Animals eat the plants (17) _______ use the Sun's energy to grow. Animals are called (18) _______. Animals that eat plants are primary consumers. Animals that eat other animals are secondary consumers. Animals store the energy in their bodies. Energy flows (19) _______ plants and bigger animals through the steps of eating and being eaten. Each part of the food chain is directly connected to the other, just (20) _______ the links in a chain.

16. A. step         B. foot         C. run         D. leg

17. A. when         B. what         C. that         D. then

18. A. buyers         B. shoppers         C. sellers         D. consumers

19. A. in         B. from         C. for         D. till

20. A. as         B. alike         C. similar         D. like

Tách ra đi 

My garden has a lot of flowers.
Nghe An is bigger than Ha Tinh.
What about going to Ha Long Bay next summer vacation?
I'd like some milk.

1. more intelligent
2. younger
3. larger
4. more colourful
5. quieter
6. more boring
7. bigger
8. worse
9. more beautiful
10. better

\(\dfrac{8^{10}.15^6}{12^{15}.25^8}\)

\(=\dfrac{\left(2.2.2\right)^{10}.\left(3.5\right)^{16}}{\left(3.2.2\right)^{15}.\left(5.5\right)^8}\)

\(=\dfrac{2^{10}.2^{10}.2^{10}.3^{16}.5^{16}}{3^{15}.2^{15}.2^{15}.5^8.5^8}\)

\(=\dfrac{3}{1}\)

\(=3\)

1. Mr. Tuan is in front of the mirror and looks at ________.

   A. him                         B. himself                  C. her                         D. herself

2. They _____ him since last Christmas.

            A. haven’t seen        B. saw                        C. didn’t see              D. hasn’t seen

3. I have a lot of ______ to do, so I can’t go with you.

            A. homework             B. places                    C. times                      D. houseworks

4. Lan can’t go to the movies because she has _____ her chores.

            A. to make                 B. make                      C. do                           D. to do

5. Talking with him is really _______.

            A. interest                  B. interesting            C. interested             D. interests

6. ____ you open the door for me? – Certainly.

            A. Will                         B. Could                    C. Did                         D. Do

7. Could you ____ me a favor? No problem.

            A. help                       B. want                        C. need                       D. do

8. Alexander Graham Bell ______ the telephone.

            A. saw                        B. found                      C. invented               D. discovered

9. ____ is the language that you first learn to speak when you are a child.

            A. Third language    B. Second language C. Foreign language D. Mother tongue

10. My grandma used to ____ on a farm.

            A. to live                     B. live                          C. lived                        D. living

11. The new shopping mall is different _____ the present shopping area.

            A. with                        B. on                            C. from                        D. to

12. What is Mary doing? She is looking at ____ in the mirror.

            A. hers                       B. herself                    C. her                          D. she herself

13. She has ____ over 30 pages since yesterday.

            A. writen                    B. wrote                      C. written                   D. write

14. I spent ____ money than you.

            A. less                        B. few                         C. many                     D. much

15. I like the countryside. It’s very quiet and _____ .

            A. noisy                      B. stressful                C. peaceful                 D. expensive

16. It’s very kind ____ you to help me.

            A. for                           B. off                           C. to                            D. of

17. Tom is going to participate ____ the game.

            A. at                            B. on                           C. in                            D. over

18. My son is too tired _____ dinner.

            A. to have                  B. have                      C. having                   D. had

19. John has lived in Paris ____ last summer.

            A. yet                          B. in                            C. since                     D. for

20. Today you can go shopping _____ the Internet.

            A. on                           B. in                            C. at                            D. over

21. He went to school late because he was stuck in the ______.

            A. rush-hour             B. traffic-light            C. traffic-jam              D. cross-roads

22. Living in the country is not expensive. And it isn’t complex _____.

            A. either                     B. too                          C. neither                  D. so

23. TV is bringing _____ information, ______ entertainment.

            A. not only … but also                                 C. neither …nor

            B. so … that                                                  D. more … than

24. The _____ is the air, water, land, animals and plants around us.

            A. environment         B. community            C. organization         D. program