3.will they achieve

4.get

5.will die

6.hearing

7.traveling

8.won't pass

9.feels

10.will show

iv

1c

2g

3f

4e

5d

6a

7b

vi

1.polluted

2.carefully

3.pollution

4.disapointed

5.collect

6.beautiful

1.If the rice padddies are polluted, the rice plants will die ( die )

2.If we go on littering, the environment will become seriously polluted.( go )

3.What will they achieve if they work hard today? ( achieve )

4.If you get a chance to study in a foreign country, just take it. ( get )

5.Plants will die if they don’t get the sun and water. ( die )

6.I am looking forword to hearing from you ( hear )

7.I suggest travelling by bus. ( travel )

8.If you don’t study harder, you won't pass the final exam. ( not pass )

9.She will feel terribly sorry if he dies. ( feel )

10.Go with me and I will show you my new car. ( show )

IV Matching up

1 - c: junk-yard = a piece of land full of rubbish

2 - g: end up = reach a state of

3 - f: treasure = valuable or precious things

4 - e: foam = mass of bubbles of air or gas

5 - d: stream = a flow of water

6 - a: hedge = a row of things forming a fence

7 - b : folk = people

V

1. The air in the city is very polluted.(pollute)

2. Please listen to the lecture carefully. (care)

3. He was disappointed that they were not coming. (disappoint)

4.He is going to collect all the bags. (collection)

5.We'll make this beach clean and beautiful again. (beauty)