A. letter B. I C. label D. incumbent A. yours faithfully B. friend C. saxophone D. am A. name B. run down the stairs C. mysterious D. sister A. arm in arm B. chameleon C. yes D. look through A. convenience B. his C. wreck D. emission A. outdoor activity B. class C. infinity D. lately A. overcoat B. workmate C. familiarity D. this A. department B. too C. torrent D. jibe A. insidious B. practise C. Mrs D. read stories A. minstrel B. her C. take a message D. design