A. What a shame B. good job C. diameter D. cough A. upside B. kilogram C. pod D. emission A. April B. bun C. travel D. have connection with A. depressed B. deck C. talk D. gentleman A. last B. hydrogen C. imagination D. reunion A. waterfall B. black-and-white C. term D. first A. young B. skateboard C. emerge D. keep one's cool A. compass B. concentration C. do homework D. friendly A. reflect B. witness C. go sightseeing D. moon A. good luck B. race C. silly D. peacefully