A. British B. natural C. rambler D. frog A. tick B. hour C. limestone D. compartment A. pristine B. grandson C. completion D. wall A. brain B. minute C. on earth D. teamwork A. rice cake B. arrive C. minus D. pedestrian A. pavement B. entertain C. weekend D. count down A. prime B. trip C. flat D. in a low voice A. museum B. present C. four D. compound A. cardboard B. mountain C. family name D. allegation A. plant B. get in touch with C. clean up D. safekeeping