1. if we didn’t pollute the rivers, they ………… (be) full of fish. 2. if helen had collected his thoughts, she …………(write) her test successfully. 3. if i ………) you, i would be consult a doctor. 4. if people ………) animals’ natural homes, millions of animals wouldn’t have died. 5. if people took as much rubbish as they could to recycling centres, they ………) their environment from pollution. 2. transform the word in capitals so that it can be used to form a word that fits suitably in the blank space. 1. environment air pollution is one of the most serious …………… problems. 2. protect ……………. clothing is very important for scientist’s research. 3. explore if i were you, i would continue the …………… 4. wonder we live in a …………… world. 5. national disappearing of the forests is an …………. disaster.

1. if we didn’t pollute the rivers, they would be………… (be) full of fish.

2. if helen had collected his thoughts, she …would have written………(write) her test successfully.

3. if i …were……) you, i would be consult a doctor.

4. if people had polluted………) animals’ natural homes, millions of animals wouldn’t have died.

5. if people took as much rubbish as they could to recycling centres, they would protect………) their environment from pollution.

2. transform the word in capitals so that it can be used to form a word that fits suitably in the blank space.

1. environment

air pollution is one of the most serious environmental…………… problems.

2. protect

…protective…………. clothing is very important for scientist’s research.

3. explore

if i were you, i would continue the …exploration…………

4. wonder

we live in a …wonderful………… world.

5. national

disappearing of the forests is a national …………. disaster.