Match each adjective (1-11) with its synonym or near-synonym (a-k). 1 half-witted a) gregarious 2 impolite b) curt 3 inward-looking c) down-to-earth 4 quarrelsome d) sly 5 sensible e) stubborn 6 obstinate f) dim 7 brusque g) bright 8 cunning h) introverted 9 smart i) reliable 10 trustworthy j) discourteous 11 sociable k) argumentative