A. research B. my C. desert D. the Arctic A. outer space B. great-grandpa C. confuse D. ha A. bean B. your C. good evening D. Civil War A. accustomed B. friend C. wolf D. acrobatic A. embarrassing B. it C. town D. myriad A. roadwork B. black C. happen to D. weather A. be close to B. hot dog C. salad D. take notes A. abnormal B. uncle C. annoyance D. tractor A. Antipodes B. speak up C. firefighting D. Yes,please A. underground B. great C. shirt D. propulsion