A. volcano B. outside C. administration D. slept A. boiled water B. a number of C. air hostess D. ring A. practise B. attention C. blindfold D. pipe A. aunt B. pine C. weed D. Norway A. theatre B. dancer C. observe D. Macao A. vowel B. ballast C. waiter D. skirmish A. father B. meeting C. angrily D. ability A. lend B. posture C. democratic D. invaluable A. incumbent B. stomachache C. nurse D. whole A. located B. friendly C. rainstorm D. heat