18. identify the choice that contains no errors in punctuation or use of italics. • catherine asked, "where are you going"? • "we're going to volunteer at the animal shelter," said dan, "do you want to come? " • "do they have puppies there? " she asked. • that song and "feelin' groovy" are both on the album simon & garfunkel’s greatest hits. • "of course. did you think they had elephants? ", dan asked her.

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.