A. mathematics B. the Palace Museum C. fall ill D. rest A. basin B. land C. for a while D. gather A. astronaut B. swim C. eighteen D. member state A. tick tock B. Niagara Falls C. pilot D. recluse A. premium B. hunger C. haiku D. main course A. European B. South African C. supersonic D. be careful with A. somatic B. be tired out C. she's D. unknown A. lollipop B. widely C. justice D. put away A. angry B. How are you C. at present D. diet A. winner B. submerge C. discovery D. silicon