1. If we recycle more, we (help) .. ………………………… the earth.

2. Factories (not dump)… ………………. waste into the rivers if the government fines them heavy.

3. If people travel to work by bus, there (be) ………………….…….. fewer cars fumes.

4. We will save thousands of trees if we (not waste)……………………….. paper.

5. If we use waste water carefully, more people (have)…………...…… fresh water.

6. If you (be)……………..…. the president, what ………………..you (do)……………….?

7. They get sick so often. If they (exercise)…………… more, they (be)……….. healthier.

8. If I (have)……………… one million US dollars, I (build)…………….. more parks in our city.

9. Ngoc’s mother is unhappy. If Ngoc (tidy)……………..……..……….. her room every day, her mother

(not be)……………………… so upset.

10. There isn’t a garden at our house. If there (be)……….., we (grow)……………….…..vegetables.

1.If we (recycle)  ________ more, we will help the Earth.

2. Factories (not dump) ______________waste into rivers if the government fine them heavily.

3. If people travel to work by bus, there (be)  ______________fewer car fumes.

4. We (save)  ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

6. If the factory ( continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die.

7.If we recycle more, we (help) ________________ the Earth.

8. If people (travel)________________to work by bus, there will be fewer car fumes.

9. If he (study) ________________  harder, he can pass an exam.

10. She may be late if she (not hurry) ________________.

11.If you study harder, you (pass) ________________  the exam.

12. If you are kind to me, I (be) _______________  good to you.

Question IV.Combine 

1.If we (recycle)  ________ more, we will help the Earth.

2. Factories (not dump) ______________waste into rivers if the government fine them heavily.

3. If people travel to work by bus, there (be)  ______________fewer car fumes.

4. We (save)  ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

6. If the factory ( continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die.

7.If we recycle more, we (help) ________________ the Earth.

8. If people (travel)________________to work by bus, there will be fewer car fumes.

9. If he (study) ________________  harder, he can pass an exam.

10. She may be late if she (not hurry) ________________.

11.If you study harder, you (pass) ________________  the exam.

12. If you are kind to me, I (be) _______________  good to you.

If / we/ not/ take aciton/ now/ it/ not / possible/ save/ the Earth//.
A. If we don’t take action now, it won’t be possible to save the Earth.
B. If we won’t take action now, it isn’t possible to save the Earth
C. If we don’t take action now, it not be possible to save the Earth
D. If we aren’t taking action now, it won’t be possible to save the Earth
2 Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is made from the given cues.
I/ practise / speak/English / native speaker/ everyday/ improve/ English//.
A. I practise speaking English within a native speaker everyday to improve my English.
B. I practise speaking English to a native speaker everyday to improve my English.
C. I practise speaking English with a native speaker everyday to improve my English.
D. I practise speaking English for a native speaker everyday to improve my English.
3 Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is made from the given cues.
By the time/ rescue workers/ arrive/ they/ spend/ 2 days / the flooded area//. A. By the time rescue workers had arrived, they spent 2 days in the flooded area.
B. By the time rescue workers arrived, they have spent 2 days in the flooded area.
C. By the time rescue workers arrived, they spent 2 days in the flooded area. D. By the time rescue workers arrived, they had spent 2 days in the flooded area.
4 Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is made from the given cues.
The/ flight / England/ take off/ 11 a.m/ tomorrow. .
A. The flight to England will take off at 11 a.m tomorrow.
B. The flight to England takes off at 11 a.m tomorrow.
C. The flight to England take off at 11 a.m tomorrow.
D. The flight to England is taking off at 11 a.m tomorrow

I. Fill in the blanks with the appropriate form of the words in parentheses (4pts).

1. In ..............countries, they are now ...............in saving money and natural resources. (WEST /INTEREST)

2. One per cent of the........energy that reaches the Earth is enough to provide.for the total population. (SUN/POWERFUL)

3. We should save energy because by............ energy we can............. the Earth's.resources. (SAVE/ CONSERVATION)

4. We can............ the amount of gas by traveling by bicycle or ..............transport. (REDUCTION / PUBLICITY)