1.The cattle drank from a river_______ with toxic chemicals.
A. pollute B. pollution C. pollutes D. polluted
2.Finally, my friend Lan suggested _______ to the beach instead of going camping.
A. go B. to go C. going D. having gone
3. I am sure they will be very_______at your success.
A. delight B. delighted C. delighting D. delightful
4. If you want to put up a tent, you will have to look for a nice flat piece of _______.
A. ground B. soil C. earth D. floor
5. The day-to-day _______of the company is left to a board of directors at the top.
A. working B. establishing C. running D. all are correct
6. _______ , he was unharmed after being hit by lightning.
A. Consequently B. Finally C. Cautiously D. Miraculously
7. I think its a bit ______to hope that we can beat them easily. They are much younger and better.
A. reality B. really C. realised D. unreal
8. Nobody can approve of his _______ to work. He is so irresponsible.
A. character B. behavior C. attitude D. manner
9. The old man is _______of walking 100 meters by himself.
A. inexperienced B. incapable C. unable D. immature
10. Why are you whispering to each other? If you have something important _______, say it aloud to all of
us.
A. to say B. said C. saying D. say
11. Each of the 4 types of human _______suited for a specific purpose.
A. tooth are B. teeth is C. tooth is D. teeth are
12. _______my friends has watched the film yet.
A. No B. Not any of C. None D. None of
13. In many countries there are national companies belonging to the state, _______private companies.
A. including B. as well C. together with D. but also
14. We all know that it is important _______ medical directions to be understood clearly.
A. with B. for C. of D. in
15. _______chooses to be honest is, certainly, nearer to God.
A. Anyone B. Who C. Anyone of us D. Whoever

1. Trash and waste from the local people............. the river nearby
A. pollutes   B. pollutant   C. pollution   D. polluted
2. The city council is trying to eliminate the level of envirolmental ........
A. pollute   B. pollutant   C.pollution   D. polluted
3. They were accused of....... the environment here.
A. contaminate   B. contaminant  C. contamination   D. contaminate
4. A lot of aquatic animals were....... because the sea was polluted
A. died   B. Dead   C. death   D. been dying
5. ......water causes the dead of aquatic animal
A. contaminated   B. contaminant   C. contamination   D. contaminate
6. I think I.....soccer with my friends this time next weekend. 
A. am going to play   B. will be playing   C. are playing  D. was playing
7. After three hours of considering, we have decided.....the final decision.
A. making   B. to make   C. to making   D.make
8. Good teachers usually have effective teaching......
A. techniques   B.technology   C. science   D. researcher 

We suggested _________ on holiday to the mountain, but he didn’t agree.

A. he will go B. him going C. he should go D. he went

9. People nowadays are interested saving money and natural resources.

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

10. Finally, my friend, Lan suggested _______ to the beach instead of going camping.

A. go B. to go C. going D. having gone

11. Home lighting can for 10 percent to 15 percent of the electricity bill.

A. account B. replace C. reduce D. produce

12. If you try your best to do this test, you good marks.

A. get B. got C. will get D. have got

13. It’s a nice day. How about a bicycle trip to the countryside.

A. take B. to take C.takes D. taking

14. Ann felt bad; _______, she went to work and tried to concentrate.

A. and B. however C. therefore D. but

15. My mother has a meeting in the evening, so I have to my baby sister.

A. look for B. look after C. look at D. look up

16. I had check all the water pipes in my house 3 days ago.

A. a mechanic B. a worker C.an electrician D. a plumber

Choose A, B, C, D for each gap in the following sentences
1. Air___________, together with littering, is causing many problems in our cities today.
A. pollute B. pollution C. polluting D. polluted
2. The road in front of my office is always __________ when it rains heavily.
A. to flood B. flooding C. flood D. flooded
3. Singapore is famous for its __________ and green trees.
A. cleanliness B. cleanly C. cleaning D. clean
4. The USA has a population of 304 million, and it’s the third_____ country in the world.
A. smallest B. largest C. narrowest D. highest
5. The roof of the building _____________ in a storm a few days ago.
A. damaged B. was damaged C. has damaged D. has been
damaged
6. After the floodwater ___________ down, people ____________ their houses.
A. went - cleaned B. had gone – cleaned C. went - had cleaned D. had gone – had
cleaned
7. The ___________ in technology allow astronomers to know more about outer space.
A. developments B. science C. exploration D. discovery
8. Earth __________ by the gravity of the Sun and orbits around it.
A. holds B. is held C. is holding D. held
9. By the time we __________ to the cinema, the film had started.
A. gets B. had got C. has got D. got
10. When the policeman came there, the robber __________.
A. had left B. has left C. left D. was left

Choose the letter A, B, C or D to answer these following questions

My name is Van. Now I’m a student at Tran Hung Dao primary in Ho Chi Minh city. My family is going to come to Ha Noi by plane next year. I have never been to Hanoi so I really love this next trip. We are going to stay in the house of my father’s friend. We are going to stay here for 5 days. I am going to go sightseeing and go to the beach. We are going to go swimming, sunbathe and take part in scuba-diving. Swimming is my favorite sport. After that, we are going to the War Remnants Museum to see many historic artifacts here. Finally, we are going to visit Ngoc Son temple then come back home.

Question: What is her favorite sport?

A. Swimming

B. Scuba-diving

C. Bicycling

D. Volleyball

Choose the letter A, B, C or D to answer these following questions

My name is Van. Now I’m a student at Tran Hung Dao primary in Ho Chi Minh city. My family is going to come to Ha Noi by plane next year. I have never been to Hanoi so I really love this next trip. We are going to stay in the house of my father’s friend. We are going to stay here for 5 days. I am going to go sightseeing and go to the beach. We are going to go swimming, sunbathe and take part in scuba-diving. Swimming is my favorite sport. After that, we are going to the War Remnants Museum to see many historic artifacts here. Finally, we are going to visit Ngoc Son temple then come back home.

Question: What does Van do?

A. Pupil

B. Teacher

C. Nurse

D. Pilot

C. Chóoe the best answer to complete the sentences 

 1. If the water is___________________ (pollute / polluted / pollution / pollutes )

 2. _____________ you take the train instead of the bus ? It's faster and cheaper (Why not / Why don't / How about / Let's )

 3. Don't forget to turn ______________ the lights before going to bed . (on/ of / off / up)

4. A ____________________ faucet can waster 500 litters of water a month ( drip / dripping / drips / dripped) 

5. The accident happened because of driving ______________ ( care / careless / carelessly / carefully )

giải giúp mk vớiii ạ 

Air pollution

Pollution is the process of making something dirty. Sometimes, the air becomes dirty from (22)_____ causes. If a volcano erupts, it will fill the air with gases, pieces of ash and smoke. People often air to become (23) _____When garbage becomes old, a gas called methane fills the air. Cars fill the air with (24)_____.A lot of factories emit poisons into the air. Weapons of war add (25) _____gases into the air. To decrease air pollution, air quality standards, like the Clean Air Act, were enacted in 1963 and then some pollutants have been reduced.

21, A, natural D. natured B. nature C. naturally

22. A, take B. cause C. do D. put C. polluted

23. A to pollute B. pollution D. polluting

24. A fumes B. fumed C. fuming D. fumy

25. A. harmful B. deadly C. risky D. toxic

Choose the letter A, B, C or D to answer these following questions

My name is Van. Now I’m a student at Tran Hung Dao primary in Ho Chi Minh city. My family is going to come to Ha Noi by plane next year. I have never been to Hanoi so I really love this next trip. We are going to stay in the house of my father’s friend. We are going to stay here for 5 days. I am going to go sightseeing and go to the beach. We are going to go swimming, sunbathe and take part in scuba-diving. Swimming is my favorite sport. After that, we are going to the War Remnants Museum to see many historic artifacts here. Finally, we are going to visit Ngoc Son temple then come back home.

Question: Where are they going to see many historic artifacts?

A. At Ngoc Son temple

B. At Hoan Kiem lake

C. At Hoa Lo prison

D. At a museum