A. pen pal B. plea C. argument D. cook A. shiver B. hurdles C. light-colored D. help A. roller-blading B. visualize C. sick D. indeed A. Children's Day B. flaw C. teach D. badminton A. fault B. at home C. comprehensive D. news A. incur B. activity C. nurse D. symptom A. caller B. writer C. safely D. ocean A. Ms B. plain C. didn't D. policeman A. wait B. landmark C. factory D. accidentally A. introduction B. teacher C. worthwhile D. business