I. Choose the best answer :

1. My home village is ………….. 40 kilometers north of the capital.

a. held b. laid c. located d. surrounded

2. There is a large ……………….. of animals that live in Nairobi National Parks.

a. vary b. various c. varied d. variety

3. One species is dependent …………….. another for survival.

a. to b. on c. of d. at

4. There are toxic levels of ………….. in the water of this lake.

a. chemists b. chemistry c. chemicals d. chemics

5. Tram Chim national park is created to ……. several rare birds, especially the Sarus Crane.

a. protect b. train c. hunt d. trade

6. The ……………….. has threatened many of the animals in this park.

a. population b. remain c. increase d. contamination

7. We can go the National Park to learn about the different ………….. of animals and plants.

a. species b. types c. means d. sorts

8. Our aim is to ...................... better relationship with the other nations.

a. produce b. conduct c. establish d. become

9. Everglade National Park is a sub- tropical wilderness in the southeastern United States.

a. tropical b. sub - tropical c. temperate d. frigid

10. …………………. means a state of continuing to live or exist.

a. park b. survival c. zone d. contamination

11. Cuc Phuong National Park is ……… 160 km South West of Ha Noi.

a. lied b. established c. abandoned d. located

12. Nearly 1,000 of the world's bird species are …………… with extinction.

a. threatened b. endangered c. protected d. abandoned

13. Tourists go to Cuc Phuong National Park to look …………. the 1,000-year-old tree.

a. to b. on c. of d. at

14. If you …………….. us about the bad service, we'd have eaten there.

a. didn't tell b. wouldn't have told c. hadn't told d. had told

15. If Alan had come sooner, he ……..…. dinner with us.

a. could have eaten b. would being eaten c. was eating d. could eat

16. Mary ……………. a new car if she had had enough money.

a. had bought b. would have bought c. would have buyed d. would buy

17. If I ………………… her address, I would have sent her a present.

a. had know b. would have known c. had knew d. had known

18. I would have watched the football match on TV if I ……………….. at home last night.

a. had stayed b. stayed c. stays d. would have stayed

II. Complete the sentences :

1. If the weather (be) ………nice, they would have played football.

2. If we had gone to a good restaurant, we ( have) ………a better dinner.

3. John would have written a good report if he ( learn)…… more words.

4. If the boys (take) ……… the bus to school, they would have arrived on time.

5. If the teacher had explained the homework, I (do)………it.

6. They would have arrested the burglar if the police (come) ……… earlier.

7. If they had waited for another 10 minutes, they (see) ………the pop star.

8. If you (buy) ………fresh green vegetable, your salad would have tasted better.

III. Rewrite the sentences :

1. You didn’t play for us, so we didn’t win

If .....................................................................

2. She didn’t write more carefully. She made too many mistakes.

If .............................................................................................................. 

3. The fishermen didn’t have good notes, so they didn’t catch a lot of fish. If................................................................................................................... 

4. She didn’t learn hard, so she got bad mark.

If …………………………………………..

5. She ate four cream cakes. She felt sick.

If …………………………………………..

Select the synonym of the following bold and underlined word in each sentence in the unit

Nairobi National Park is Kenya’s smallest park, but you may be surprised at the large variety of animals that live there.

A. attacked

B. encountered

C. astonished

D. interested

1. He apologized for the (convenient)____ he had caused.

2. For your (inform)___, the library is on the third floor.

3. This is one of the best (document) ____films showing the lives of working people.

4. The government has introduced some (effect)____ measures to reduce unemployment.

5. He is a (curiosity)___boy. He is always asking questions.

6. There is a large ____ of animals that live in Nairobi National Park. (vary)

7. We can't clean up our___ rivers and seas. (pollute)

8. The earth is being___ and the future looks bad. (threat)

9. His___ is still uncertain;he has been seriously injured. (survive)

1.Dùng một từ trong bảng điền vào mỗi chỗ trống sau:

1,He verry ............. He has a lot of friends

2,We live in a .........................

3,There is big .................... in her bedroom

2.Điền dạng đúng của động từ trong ngoặc vào chỗ chấm

1,They (watch)....................TV now

2,Ha(not do)................ Homework now

3,They(live) ................. in town house

4,He(not,play)..................a game.He is writing an email to his friend

5,She(watch) ..................TV everyday

12. They are those that live on or depend on the bottom like the starfish, those that move ________ of water currents and those that are carried along by the currents.

A. independence​B. independent​C. independently​D. dependent

13. Some marine animals are _________ to humans.

A. danger​​B. dangerous​​C. endangered​​D. dangerously

14. You may be surprised at the large ----------- of animals that live in the sea.

A. variety ​B. variously ​ ​C. various D. vary

15. Community police have made a very positive ______ to crime prevention.

A. contribute​​B. contributive​​C. contribution​D. contributively

16. They are investigating the ______ disappearance of a young woman.

A. mystery​​B. mysterious​​C. mysteriously​D. mysteries

17. By the age of eighteen he was completely ______ of his parents.

A. dependence​​B. dependently​C. dependent​​D. depend​

18. The ______ of the seabed is being carried out.

A. investigate​B. investigative​C. investigation​D. investigating

19.For centuries, people have been challenged by the ___________ that lie beneath the ocean.

A. mystery​​B. mysterious​​C. mysteriously​D. mysteries

20.Dolphin population is at stake due to the _______of their habitats and accidental entrapment in fishing nets.

A. pollute​​B. pollutive​​C. pollution​​D. pollutants​

21. Nairobi National Park is Kenya’s smallest park, but you may be surprised at the large ______ of animals that live there.

A. vary​B. variety​C. various​D. variously

22. Visitors, especially children, can go to Cuc Phuong National Park to learn how to recognize the ---------species of animals and plants.

A. differ​​B. difference​​C. different​D. differently

23. This national park is _____ because it has plants and animals from both tropical and temperate zones.

A. specially B. special B. specialize D. specialization

24. The giant panda is in danger of becoming extinct. It is an -------species.

A. dangerous​​B. dangerously C. endanger ​D. endangered

25. Trees, grasses, and other plant life play an important part in the _______ circulation of water.

A. natural ​​B. nature​​C. naturally​​D. naturalize

26. Without plants, most water would run off as soon as it falls, taking away ______ soil.

A. value​​B. valuable​​C. valuably​​D. values

27. The earth is being threatened and the future looks _______.

A. bad​​​B. badly​​​C. badness​​D. worsen

28. Man is _______ doing harm to the environment.

A. constancy​​B. constant​​C. constantly​​D. constants​

29. A campfire near a heap of leaves may _____ cause a forest fire.

A. ease​​​B. easy​​​C. easily​​D. eases

30. A gulf is a term that refers to the ________ of different kinds of animals and plants which make a balanced environment.

A. exist​​​B. existence​​C. existent​D. existed