A. mourn B. epidemic C. catch fire D. basin A. vicious B. relic C. masterpiece D. frost A. triple B. homeless C. oxygen D. snail A. sauerkraut B. crowded C. home and abroad D. rotate A. around B. column C. message D. mysterious A. historical B. noble C. paper cutting D. during A. register B. caption C. atmosphere D. memory A. clash B. ominously C. leather D. damage A. release B. bulrush C. underwater D. take in A. whereabouts B. go home C. self-improvement D. hawker