I. Arrange the words to make sentences. `1.` way/ others/ community/ a/ help/ service/ is/ great/ to/. `2.` they/community/people/ because/ volunteer/ want/ improve/ to/ their/. `3.` encouraged/ books/ people/ street children/ we/ to/ donate/ and clothes/ to `4.` what/ to/ help/ we/ can/ do/ the environment/ clean/? `5.` work/ done/ you/ ever/ have/ volunteer/ any? `6.` free time/ Joe/ doing/ work/ spent/ most/ at/ his/ local hospital/ a/ of/ volunteer.