I. Pronunciation:
1. recognize resource pedal collect
2. downhill blow bow flow
3. polluted recycled recognized played
4. space delicious voice waste
5. correction comfortable convenient complete
6. clothes breathe gather through
* Stress:
1. A. reuse B. reduce C. prepare D. mention
2. A. rubbish B. angry C. canal D. nature
3. A. pollute B. effect C. picture D. unique
4. A. disappear B. environment C. recycle D. pollution
5. A. charity B. expensive C. creative D. envelop
