A. mumble B. crayon C. for instance D. teenage A. fluctuation B. desk C. rashly D. turn out A. defendant B. Nice to meet you C. get on with D. storybook A. debate B. boiled water C. lost D. English book A. Chinese book B. snow C. decide D. qualified A. brush one's teeth B. water bottle C. methane D. set the table A. school B. life C. lab D. sympathetic A. marker B. freezing C. polite D. recognise A. lasting B. in the beginning C. chair D. keep one's cool A. classroom B. Would you like C. that D. describe