A. snorkelling B. football field C. zip D. trade A. also B. colleague C. constructively D. tube A. south-east B. programmer C. foggy D. dock A. decision-making B. rip off C. construction D. alien A. peak B. heat up C. acid D. have lessons A. make a sentence B. tired C. ice lantern D. steep A. pin B. separate from C. infectious D. chorus A. rudder B. mend C. goods D. economic A. allegation B. upstairs C. difference D. cave A. broom B. downstream C. design D. take care