A. a series of B. could C. tooth D. scheme A. colorful B. taught C. tell D. barber A. boundary B. poor C. focus D. confess A. me B. straight C. pet D. disappointment A. digital B. great C. fragment D. last word A. Great Wall B. in the middle of C. black-and-white D. injure A. perfect B. little C. crosswalk D. solitary A. at home B. poet C. battered D. salute A. after B. pick fruit C. incompetent D. act A. cricket B. often C. sore D. both