A. oil B. illegal C. smoker D. centimetre A. quit B. uniquely C. skip D. borough A. next B. sexual C. cup D. confine A. groceries B. level C. obligation D. comprehension A. mentally B. thermodynamics C. speedboat D. squall A. comeback B. ambassador C. inject D. rise A. on holiday B. cigarette C. silly D. staple A. accustom B. fade out C. relay race D. teach English A. Chinese medicine B. apron C. congratulate D. relaxation A. spy on B. disagree C. foresee D. take risks