A. wave B. cautious C. step D. supplement A. camera B. back and forth C. blow out the candles D. math A. permanent B. at times C. species D. twelve A. hurt B. Olympic Games C. freedom D. dine A. long long ago B. what a pity C. clerk D. singer A. one-to-one B. against C. landowner D. loan A. upon B. continually C. on the whole D. via A. dislocate B. blond C. incident D. disappointed A. strong B. DVD C. rest D. footballer A. unusual B. as though C. tiger D. stomachache