A. sing B. look at C. carbon dioxide D. action film A. guide B. solid C. collide D. skull A. crane B. related to C. different D. return A. unduly B. pretty C. chair D. strong A. other B. armament C. scrape D. sensor A. bear B. fragile C. balance D. handkerchief A. in one's view B. grass C. photographic D. break the ice A. protect B. haven't C. ugh D. by bus A. court B. catch C. rate D. colorful A. theater B. soy C. syrup D. sure