A. freeway B. total C. jumping rope D. use A. in some ways B. based C. blow up D. write English A. say B. cascade C. weightlessly D. popularity A. enjoy sunbathing B. essay C. go to work D. laser A. frightful B. sixteen C. but D. windscreen A. procedure B. blackboard C. smarter D. realize A. laptop B. researcher C. why D. whole grains A. lightly B. kangaroo C. speak English D. cheongsam A. do tasks B. greedy C. invaluable D. football player A. addition B. work C. instruction D. moon