A. biologist B. rendezvous C. her D. intellectual A. difference B. write to C. survivor D. stupid A. hamburger B. civilization C. give a helping hand D. what day is it today A. coach B. comfortable C. slave D. snack A. task B. sharp C. landowner D. Mars A. boxer B. one-to-one C. stitch D. social climber A. measurement B. closely C. take D. atmosphere A. tick B. north-west C. shoot D. go up A. blood B. data C. worm D. Wild Goose Pagoda A. rely on B. confident C. safely D. Flag Day