A. the Olympics B. leather C. vacuum D. grammar A. look up B. choke C. by the way D. elect A. popular B. vet C. cheat D. expensive A. angrily B. yourself C. violence D. improve A. out of work B. isn't C. reporter D. pianist A. headmaster B. best C. kettle D. lip A. political B. forget C. language D. walk off A. knock on B. search C. wedding D. aware A. culture B. cheap C. correlate D. have classes A. mildly B. bike C. learner D. Mars