A. bird B. encounter C. look after D. double-decker A. yuan B. fence C. OK D. rang A. classroom B. Geneva C. bought D. waltz A. remainder B. would C. talk back D. pen A. reveal B. mutton C. me D. bullion A. researcher B. the C. South American D. kitten A. on purpose B. write C. homeland D. take risks A. connect B. flower C. crowd in D. make fun of A. yellow B. allergic C. grade D. narrow A. dishwasher B. badly C. say D. chewing gum