A. sun cap B. matter C. snatch D. theoretical A. hey B. exceptionally C. guard D. dredge A. become interested in B. keyboard C. What's the matter D. mysterious A. twenty-one B. give speeches C. slept D. took A. sports B. many kinds of C. butterfly D. ventilation A. out of breath B. pounce C. argue D. year A. cereal B. firm C. thirteenth D. That's OK A. sarcastically B. wear C. courage D. sing the birthday song A. shorts B. banking C. telephone D. hippo A. producer B. concrete C. pair D. suppose