第二节 听取信息 (共5小题；每小题1分，满分5分)

听下面一段独白，请根据题目要求，从所听到的内容中获取必要的信息，填入标号为16 ~ 20的空格中。

听录音前，你将有10秒钟的阅题时间，录音读两遍。你将有60秒钟的作答时间。

80.　 He ______(泄露) as little information as possible .

79.　 Whole villages were ________ (彻底毁灭)by the floods .

78.　 He tried ______ (白费力气)to catch the butterfly on the flower .

77.　 Applicants who pay ________(预先) can get a discount .

76.　 The first time you step out , whether by accident or ____________ (故意地), a warning is imposed .