A. fell B. get off C. challenging D. unknown A. contrast B. unique C. giant D. coach A. aberrant B. navy C. preparation D. on one's mind A. electrical B. Nile C. pleasantly D. put through A. preacher B. procession C. professor D. choir A. Indian B. whoever C. involved D. occasion A. affair B. submit C. shaking D. possibility A. increase B. grape C. weather report D. in a way A. activity book B. aware C. hum D. tell jokes A. rat B. test C. read D. National Day