A. overlook B. omen C. look out D. outbreak A. clarify B. muzzle C. predict D. grapefruit A. for a start B. mistake C. first-ever D. checker A. whenever B. rotten C. concrete D. during A. no wonder B. pet C. whisky D. fire A. keep up with B. skilful C. optimistic D. Toronto A. risky B. rainbow C. definite D. would rather A. promise B. load C. by means of D. free of charge A. morality B. attach C. shore D. go to A. kowtow B. charge C. motto D. outpatient