A. leakage B. studied C. humour D. forest A. contest B. birdwatching C. confident D. holy A. ever B. right now C. pilot D. best A. vernacular B. borrow C. dangerous D. backpack A. tour B. mat C. fifteen D. murderer A. same B. dead C. African American D. on guard A. unlikely B. nonsense C. plea D. ignorance A. active B. French fries C. powerful D. mess A. all over B. plenty C. explain D. metropolitan A. subtle B. workbook C. be harmful to D. competition