A. unaware B. mini-world C. penguin D. bridge A. police station B. short C. tightly D. dispose A. riverbank B. hang out C. pigeon D. fur A. mariner B. refrigerator C. broken D. trail A. ice-skate B. bacon C. Nile D. take down A. after-class B. stir C. cut in D. conductor A. publishing B. guidebook C. decompose D. busy A. a lot B. advertisement C. do some shopping D. wire A. very much B. suppose C. as well as D. walking A. encounter B. widespread C. pipe D. come up with