A. resemblance B. safe C. endanger D. scientist A. skating rink B. snap one's fingers C. balloon D. completely A. come into being B. sound C. speculative D. toward A. label B. last night C. toothbrush D. in English A. update B. Children's Day C. be crazy about D. undeniable A. seminar B. bad C. perception D. take the lead A. put on B. envy C. responsibility D. occur A. get out B. tea art C. strong D. sandwich A. applaud B. hydro-electric C. artist D. down A. surfboard B. pour into C. drive mad D. diagnosis