V. Choose the option that best completes the passage.
These days it is impossible to open a newspaper (24) ________reading about the damage we are doing to the environment. The earth is being (25)_______and the future looks bad. What can each of us do? We cannot (26)________up our, polluted rivers and seas over night. But we can stop adding to the problem (27) ________scientists look answer.
It may not be easy to change your lifestyle (28)_______but some s to take: cut down the amount of driving you do, or use as little plastic as It is also easy to save (29)________, which also reduces household bills. We all make a (30)_________ decision to work for the future of our planet (31) _________we want to ensure a better world for our grandchildren.
24. a. with d. but b. without c. and
25. a. threat b. threatening c. threatened d. threateningly
26. a. clean b. set c. turn d. clear
27. a. since b. while c. during d. within
28. a. slowly b. mainly c. constantly d. completely
29. a. money b. health c. energy d. resource
30. a. person b. personal d. personality c. personally
31. a. if b, unless c. because d. though

IV. Choose the underlined word or phrase that needs correcting.
20. There are only a little seats left for the concert on Saturday.
21. Our teacher told that the, sun rises in the east.
22. We have spent a lot of time to discuss the problem but can not find any solutions.
23. I sometimes wonder where is she now and what she is doing.

Il. Give correct form of the word.
11. He was the___________of the whole school after winning the contest. (proud)
12 ______________ flying object is commonly abbreviated as UFO. (identify)
13. For many people, travelling by plane is an______________experience. (excite)
14. The traffic is moving quite___________this morning. (free)

V. Fill in each aumbered blank with a word fromithe box.
Flood, temperatures, atmosphere, warm, colder, melt, global, burning,
The news media has covered the problem of (24)__________warming many times over. At one time during the Ice Age the earth was much (25)___________than it is now and natural forces caused the planet to warm up to the (26)__________we experience now. That is normal climate change. Global warming is an increase in the temperature of the earth's (27)________ caused by the increase greenhouse gases. Natural levels of greenhouse gases like cacbon dioxide keep the earth (28) _______ excess gases from (29)_________ coal and automobike emissions cause the atmosphere temperature to rise. With warmer temperature the polar ice caps are starting to (30) ________ and add extra water to the oceans. low area. This raises the sea level and will eventually (31)________low areas
Choose the best answer to complete the sentence.
1. When the trucks leave the place, the ground is covered____________trash
b. on c. with d. for a. of
2. If we____________littering, the environment will become seriously polluted.
b. look for c. clean up a. pick up d. go on
3. I am not sure if Harry can go to the movie. He________have time
b. might not d. go on d. might c. must a. must not
4. She was a woman______________ I greatly respected.
a. which b. whom c. whose d. to who
5. His father helped him with his homework_________ he was tired after work.
d. because b. since c. when a. though
6.________________ is a chemical used for killing insects.
c. Pesticide d. Pertilize a. Dynamite b. Sewage
7. There is a meeting tonight,___________ ?
a. is it b. isn't it c. is there d. isn't there
8. __________using compact fluorescent bulbs to save electricity?
a. Shall we b. Why not c. What about d. I suggest
9. Now I must go____________I will be late for the last bus.
b. but a. or c. and d. so
10. "_______________ "He's tall and thin."
b. What does Nick look lie? d. What does Nick do? a. How is Nick? b. Who is Nick?

IV. Choose the underlined word or phrese that neolis correcting.
20. We wouldn't stay up late every night if we don't have so
21. Jake suggested that we could take his car or walls to the movie theater
22. Anybody wants to ioin us at the dance should let us know
23. The boys enioy riding their bikes around the streets in Saturday evenings.

lll. Give correct form or tense of the verb.
15. It's time (go)___________now, isn't it?
16. If you (not have)___________ to worlk, what would you do?
17. We're all busy (practice)____________for the charity performance.
18. Neither the girls nor Susan (see)____________this film before
19. We (have)___________our our new house (build)_________next month.

II. Glve correct form of the word.
11. Without____________, natural resources will be used up within a hundred years. (conserve)
12. We congratulated him on his_____________as chairman. (nominate)
13. Mount Pinatubo, a volcano in the Philippines,____________ in 1991. (eruption)
14. Very few inventions are totally ____________(innovate)

Choose the best answer to complete the sentence.
1. My aunt gave me sports watch___________my 15'h birthday.
b. on a. in c. at d. for
2. We try to prevent people________littering
b. with a. in c. from d. by
3. I love playing computer games__________I don't have much time for it.
b. and a. so c. because d. but
4. Many tourists enjoy festivals in Viet Nam,________?
b. don't they c. wil they d. aren't they a. do they
5. He is a_________person. He always thinks of other people's feelings.
b. generous a. considerate c. humorous d. active
6. My mother, is the person____________understands me most.
b. whom a. which c. who d. whose
7. I am not interesed in tennis and b. so is my sister
d. my sister isn't a. my sister does, too c. neither is my sister b. so is my sister
8. A__________ is a very strong wind that moves quickly in a circle.
d. hurricane a. flood b. tornado c. typhoorn
9. The United States uses twice as__________energy as the whole Europe.
d. more b. many
10. "Shall we go for a ride?" " ____________”
d. Yes, lets. a. Oh, Really? b. You're so kind! c: Thank a lot.ô

Rewrite the sentences.
37. The suitcase was too heavy for Jane to carry it herself.
The suitcase was so____________
38. You shouldn't touch that switch.
If I________________
39. He was tired, but he continued working.
He continued working___________
40. "Let's break for lunch," John sald.
John suggested that___________

VI. Read the passage carefully, then decide whether the following statement are true (T) or false (F).
Mars, commonly referred to as "the red planet," is the fourth planet from the sun. Its reddish color comes from the high amounts of iron oxide on its surfaco. Mars has surface features similar to those found on the moon and on Earth. It has ranges, volcanic fields, valleys, ice caps, canyons and deserts. Mars is much smaller thàn the Earth. It has approximately half the radius of Earth. Mars orbits the Sun a little further than Earth. Mars takes 686 days to orbit Sun. In other words, the orbital period of Mars is almost twice as long as Earth's orbital period. Many spacecrafts have attempted to visit Mars, the most notable of which was NASA's Mariner 4, the first to.visit in a fly-by in 1965. In 1976, Viking 1 and 2 became the first spacecrafts to conduct successful and sustained landings on Mars. They provided the first color photographs of the "red planet."
32. The red color of the Mars comes from the sand on its surface.
33. The Earth is four times larger than Mars.
34. It takes Mars much longer to orbit the Sun than it does Earth.
35. Viking 1 and 2 were the first spacecrafts to visit Mars.
36. The first color photographs of Mars were provided by Viking landers.