Exercise 16. Write in complete the sentences using the words and phrases given. 1. volunteer/in/community/make/ difference. 2. 1/like/take/part/volunteer/work/because/1/think/it/useful/meaningful /society. 3. We/should/help/homeless/ elderly / abandoned / children. 4. 1/volunteer / for / five / years. 5. Last week/ my class / volunteer / clean/streets.