A. undercurrent B. midwestern C. raising D. leaky A. volcanologist B. noble C. familiarity D. react A. potentiality B. wag C. ethanol D. pearl A. locked B. dust C. learner D. toy A. colour-blind B. auditory C. flu D. necessity A. washroom B. criterion C. spatial D. fisherman A. reminiscence B. same as C. go to bed D. satisfied A. bullion B. Chinese book C. perception D. chief A. blue B. civil C. despise D. governor A. woof B. play with C. generalize D. pull down