A. day and night B. unaware C. busy D. jumper A. high jump B. lemon C. watchtower D. easy A. overland B. dozen C. ice D. nonsense A. of B. chairman C. sit-up D. champion A. arm B. expedition C. space station D. careful A. laptop B. slave C. prepare D. bookseller A. yell B. cash crop C. north D. medical A. purpose B. Indonesia C. worse D. impossible A. communicate B. pump C. already D. success A. midsummer B. a bit C. import D. correctly