A. two B. mud C. plug D. rag A. went camping B. law C. your D. disaster A. holder B. commercialization C. bogged D. zero A. arrowhead B. alpinist C. phone D. instant message A. yes B. lever C. reminder D. conceal A. outstanding B. technical C. privacy D. telephone A. fall B. and C. best-seller D. half-time A. friend B. unique C. turn on D. census A. parlour B. hand in C. too D. concert A. six B. workbook C. tragic D. ivory