A. powerful B. link C. lake D. firework A. moot B. Sydney Opera House C. gear D. spare time A. by ship B. vivid C. over again D. exhausted A. show around B. version C. stressed D. the Great Wall A. lightly B. American C. throng D. have a good time A. diagnose B. change into C. Canada D. come true A. adequate B. haunt C. go on spring outgoings D. see A. travel B. pleasant C. opaque D. graceful A. them B. helicopter C. among D. impatiently A. play sports B. snorkelling C. at the moment D. hear