A. seal B. contrast C. suddenly D. disturbing A. demand B. bus stop C. resolution D. moonlight A. task B. operation C. floor D. speak A. pavement B. normal C. ago D. illustrate A. week B. moustache C. overnight D. double A. winter B. a world of C. cut D. accord A. sanitation B. aeroplane C. phrase D. dustbin A. win B. Amsterdam C. prolonged D. pleasantly A. the day before yesterday B. smile C. researcher D. water ski A. uncomfortable B. workmate C. innocence D. cut the cake