A. warn B. dictionary C. trolleybus D. interview A. main unit B. classical C. baleen D. perfect A. fragrant B. either way C. grammar D. dangerous A. tussle B. search C. or so D. farm A. something B. ill C. cheap D. the next day A. headmaster B. mule C. do shopping D. twenty-six A. little B. website C. marriage D. evidence A. Chinese medicine B. several C. manoeuvre D. Mars A. language B. mosquito C. foot D. spark A. regularity B. enemy C. English-speaking D. constitute