A. plot B. Wednesday C. invaluable D. ivory A. deck B. waterfront C. duck D. ran A. Tuesday B. him C. church D. altitude A. first place B. main unit C. owl D. joke A. ball B. referee C. adviser D. exclusively A. take a dancing class B. car C. tanker D. Singapore A. carrot B. book C. rock climbing D. find one's way out A. work B. on board C. administer D. lash A. Monday B. fluctuation C. go back D. everyday A. pink B. cold pill C. bread D. technology