A. cross B. western C. nineteen D. stand up A. crystal B. for a time C. far from D. classroom A. Brazil B. make up one's mind C. Summer Palace D. five A. shoes B. bus C. radical D. help yourself A. stair B. tetrahedron C. good-bye D. war A. a lot B. Moscow C. absolute D. cold A. great B. mango C. dedicated D. become A. rotate B. green C. handsome D. transporter A. frame B. chopsticks C. fluctuation D. farm the land A. ugly B. towel C. o'clock D. by bike