A. headband B. help yourself C. spare time D. operation A. light B. distinguish C. solitary D. banking A. transport B. turn out C. eat out D. South Pole A. surely B. wealthy C. calm down D. Internet A. tank B. bomb C. freedom D. double A. Halloween B. city C. deaf D. visit A. hide and seek B. cold C. sleeper D. fall behind A. postman B. as if C. moon D. number A. education B. link C. lose weight D. also A. thunderstorm B. detour C. fear D. cash