A. inventor B. diversity C. backwater D. at most A. bring down B. accomplish C. story D. viperine A. fall B. marathon C. come D. earn one's living A. decompose B. university C. wife D. sweep the snow A. teen B. slight C. artist D. amusement A. fortunate B. atlas C. call for D. French A. end B. danger C. invent D. stab A. writer B. have summer holidays C. policeman D. fell A. physics B. deaf C. Teacher's Day D. sausage A. poet B. fossil man C. cherish D. climate