One minute he burst into and the next burst out. We just couldn’t catch her mood at any mo

网友回答

A. crying; laughter
(答案→)B. tears; laughing
C. tears; laughter
D. crying; laughing
解析：表示突然哭起来，可以说burst into tears, burst out crying; 突然笑起来，可以说burst into laughter, burst out laughing，故选B。