A. professor B. salute C. different from D. sang A. the Yangtze River B. epidemic C. curious D. Would you like A. blaze B. phrasebook C. talk in English D. gangster A. neighbor B. generalize C. frightened D. disguise A. extraordinary B. surrounding C. photographer D. decision A. hesitate B. in response to C. catchy D. rapidly A. uncle B. emerge C. sneer D. college A. achievement B. rifle C. revealer D. reach A. mission B. absorb C. exhibition D. intelligent A. fossil man B. defence C. boldly D. fruit pie