A. mathematical B. unwilling C. master D. proposition A. arm B. help out C. till D. over A. repetitive B. aside C. student D. Saturday A. disbelief B. determined C. come from D. floor A. take away B. hooray C. degree D. after school A. foggy B. get up C. Mrs. D. glad A. work of art B. everyone C. cheat D. inconvenience A. shoe B. classmate C. undercurrent D. tower A. glasses B. clash C. extravagant D. assume A. Space Museum B. get-together C. slim D. district