A. breeding B. work of art C. gray D. doorbell A. conference B. check out C. limit D. progress A. focus B. do exercise C. ring D. trickle A. said B. Attract C. dress up D. among A. far B. sales reps C. concerned D. computer A. important B. temper C. imperceptible D. church A. dubious B. upstairs C. chef D. dustman A. I'd like B. peanut C. work D. headache A. from then on B. myself C. recommend D. deposit A. brainstorm B. dark C. nursery rhyme D. half past one