71.important 72.ready 73.Unfortunately 74.past 75.spend
76.from 77.give 78.caused 79.because 80.strong
根据短文内容及首字母提示,填写所缺单词,使短文意思完整.Now it is found that students ha
71.important 72.ready 73.Unfortunately 74.past 75.spend
76.from 77.give 78.caused 79.because 80.strong