1D
2B
3B
4B
5A
6D

5. A. skating                B. model                     C. collect                     D. hobby

6. A. sickness              B. sunburn                   C. allergy                     D. obesity

7. A. community         B. provide                   C. tutor                        D. recycle

8. A. occasion             B. swimming               C. cycling                    D. dancing

Ex 2: Choose the word that has the different stress from the others.

1. A. benefit B. advertisement C. graffiti D. disable

2. A. donate B. difference C. campaign D. recycle

3. A. tradition B. homeless C. programme D. service

4. A. shelter B. labour C. mentor D. volunteer

5. A. transportation B. environment C. attention D. community