II. Give the correct form of the words given to complete the sentences:

1. Solar energy is renewable, ...............................and clean.                                     PLENTY

2. We should reduce the use of..............................at home.                                       ELECTRIC

3. Waves will be used as an...............................friendly sources of energy.              ENVIRONMENT

4. Solar power can be used to .................................or cool our houses.                    HOT

5. There will be a..................................of energy in the near future.                         SHORT

6. Scientists are looking for clean and ..........................sources of energy.               EFFECT

7. More renewable energy sources will be used to solve the problem of ..........        POLLUTE

8. ................................., fossil fuels are harmful to the environment.                        FORTUNATE

9. The...........................of wind turbines will be completed by next Friday.              INSTALL

10. ...........................particles reach the Earth in just 8 minutes.                                ENERGY

IV. Give the correct form of the words given to complete the sentences:

1. Sue is ___________ with her writing skill more than speaking skill.                 SATISFY

2. ________________ to online games will appear if you play them so much. ADDICT

3. Tom adores dog _______________ because they are so talented.                      TRAIN

4. Why don’t we play chess during this ___________ class?                                    LEISURE

5. We fancy _______________ with our friends downtown.                                    RELAX

6. He spent all his _____________ building a luxury house in the country.                         SAVE

7. We have worked as volunteers for an animal _______ organization for 2 years.  PROTECT

8. Does too much time social networking harm students’_______________? SCHOOL

9. Computer games are more active and ___________ compared to watching TV   CREATE

10. A person traveling or visiting a place for ______________ is a tourist.                         PLEASE

I. Give the correct from of the word given to complete the sentence.

I. Give the correct from of the word given to complete the sentence.

 Give the correct form of the words given to complete the sentences

We will save ________________ if we turn off fans and lights when we don’t use them.(electrical)

5. The green ________ bags are good for our environment.(shop)

6. If you burn rubbish, you will produce ________________ smoke. (harmfully)

7. The air will be ________________ if more people cycle. (pollution)

8. At uniform fairs, students can exchange their ____________ uniform. (use)

9. We should use ________________ pens and pencils. (refill)

10. My mom always use ________________ shopping bags.(usable)

Give the correct form of the word given to complete the sentences.

1. Tidal energy is renewable, _______________and clean. (plenty)

2. Wind will be used as an _______________friendly sources of energy. (environment)

3. There are many ways will be used to solve the problem of _____________. (pollute)

4. Solar power can be used to ______________or cool our houses. (hot)

5. __________________, fossil fuels are harmful to the environment. (fortunate)

6. We should use them______________ and try to find out alternative sources of power. (economy)

7. Solar energy is_________________, plentiful and clean. (renew)

8. I think that solar energy can be an________________ source of energy in the near future. (alter)

9. We should reduce the use of________________ at home. (electrical)

10. It’s a clean source of energy. Sailboats couldn’t move without this____________. (powerful)

IV. Give the correct form of the given words in brackets to complete the following sentences. Write your answers on the answer sheet.

1. One of the most important qualities of friendship is__________. SELF

2. We haven’t talked to each other recently because of__________. UNDERSTAND

3. Now many Vietnamese students volunteer to work in _______ areas. MOUNTAIN

4. Many ethnic minority students from the________ Highlands NORTH took part in the campaign.

5. We should provide __________to schools. TRANSPORT

6. The _______from three schools took part in the English Speaking contest. REPRESENT

7. Has any _______been made about the English competition? ANNOUNCE

8. Were women _______allowed to participate in the Boston races in1957 ? OFFICE

9. We were very impressed by her ________in the play last night. PERFORM

10. You should give ______proof to support your ideas. SCIENCE