A. reaction B. economic C. obscure D. tribal A. what day is it today B. bullion C. merchant D. is A. zipper B. mirror C. design D. wheelchair A. cobra B. couple C. bike D. bring A. queen B. do some research C. insoluble D. sustenance A. bed B. peek C. throw away D. captain A. the Great Wall B. increasingly C. ugly D. perfect A. tempo B. catch one's attention C. modest D. pound A. noun B. careful C. shame D. respectful A. the White House B. servant C. Tokyo D. cruise