A. unclear B. think over C. lock out D. worried A. discuss B. movement C. flute D. overalls A. remove B. guitar C. acquire D. up to standard A. budding B. e-book C. initial D. begin A. cheese B. shelf C. once more D. will A. vicinity B. go to school C. soon D. hydrogen A. the number of B. potassium C. Norway D. piano A. edifice B. my pleasure C. escapist D. concert A. divorce B. violin C. easy D. hour A. debate B. tonight C. sea D. for a time