A. knowledge B. Korean C. footstep D. adapt A. people B. somehow C. amphibious D. variant A. secret B. building C. adamant D. hide A. hold on B. stalk C. solution D. send up A. little B. unbearable C. creativity D. moment A. businessman B. vet C. difficulty D. imagine A. radio astronomer B. midnight C. dining D. ad A. verbal B. misunderstanding C. devise D. nod A. advice B. be good at C. am D. require A. Buddhist B. absent C. protect against D. focus on