A. indigo B. care for C. intermittent D. river A. radio B. school C. cause D. pipe A. publishing B. show sb around C. speak D. speak to A. fifth B. boat C. decorate D. cholera A. play with B. color C. give speeches D. happy A. happen to B. fast food C. playground D. complete A. jog B. what a pity C. southwest D. self-discipline A. prejudiced B. online C. clatter D. Chinese A. jeans B. southwestern C. you're D. balloon A. eighty B. see C. catfish D. slowly