109.按时on time
110保持健康.keep fit
108.上交hand in
107.产生压力的原因cause of stress
106.解决问题solve the problem
105.变得更糟糕get worse
103.与某人同年龄的of one’s age
104同样的问题the same problem
102.实际上in fact
101.保持安静keep quiet
100.为某事/某人而担忧be worried about sth/sb
99.责备你的父母blame your parents