A. concerned B. shout C. all one's life D. culpable A. towards B. theoretical C. what a pity D. someday A. understand B. spiral C. thrifty D. hurry A. food chain B. unemployed C. accuse D. perception A. as though B. comprehend C. narrowly D. bamboo A. assign B. shirt C. eerie D. scratch A. petrify B. ladybird C. match D. unrealistic A. salt B. bud C. bill D. ray A. unlucky B. generalize C. volume D. stall A. Double Ninth Festival B. correction C. keep one's cool D. undercurrent