Unit 6
LOOKING BACK
Pronunciation
1. Read the exchanges.
2. Listen, check and repeat.
VOCABULARY
Complete the sentences.
1. survival
2. extinct
3. endangered
4. conservation
5. poaching
6. evolution
GRAMMAR
1. Practise asking questions and giving answers.
1. How long will you have studied English in this school by the time you graduate in June?
2. How long will you have lived in your present home by next year?
3. How many new English words will you have learnt by then end of this unit?
4. How many units in this book will you have finished in four weeks’ time?
5. How long will you have worked on this assignment by the time you hand it in?
2. Rewrite the sentences, using double comparatives.
1. The more land people need to build houses, the more forests they cut down.
2.The higher the unemployment rate gets, the higher the crime rate becomes.
3. The better education you get, the more opportunities for a good job there will be.
4. The heavier the rain gets, the worse the flooding will become./ The more heavily it is raining …
5. The more cars our city has / The more cars we have in our city, the more we will have to suffer from polluted air.