Which sentence fails to use correct parallel structure? a) show respect by standing, being silent, and listening carefully to the speaker. b) the bus that broke down was filled with expectant mothers, babies, and a few smaller children. c) the teacher said we could use newspapers, magazines, encyclopedias, or websites for our research. d) if you want to train well, you need to work on your rowing, hiking, biking, and of course you need to run more.

the correct answer is the following.

one of the groups i belong to is the boy scouts. this is a problem-solving group because it has tasks that we need to solve in order to other people in different activities such as the rescue of lost pets, or elder people in need.

the other group i belong to is kids pro environment, and is an information-sharing group that tries to create conscience about the risks and problems that generate pollution in our cities. we share information to other students and parents on the importance of keep our communities clean and our skies clear.  

awnser: alliteration, assonance, onomatopoeia.