放松并不是浪费时间，毕竟生活不应该只有学习和工作．（waste）
Relaxing isn't ．Anyway，life shouldn't just be about study and work．
明天的社会实践活动每个人都要准时参加．（on）
Everyone is supposed to be for the social practice tomorrow．
In his （演讲），he mentioned the Chinese Character Spelling Contest （汉字听写大赛） several times．
The decision to set up a No Homework Day every week is （欢迎）by all students．
The Silk Road is a （桥梁） for trade and culture exchange between China and other countries．