A. go for B. three C. upside D. the United States A. grass B. enthusiastic C. sport D. board game A. eight B. safe C. in vain D. a series of A. thanks B. blood C. at most D. surrounding A. retrace B. welcome C. earthquake D. attempt A. bear B. lift C. either D. rang A. assess B. self-improvement C. treasure D. farm A. sheep B. flood C. trunk D. water ski A. safety B. shadow C. bird D. fill A. Greek B. chemist C. cat D. grade