1、We cannot emphasize the importance of protecting our eyes too much.
2、There is no need for you to bring more food.
3、By taking exercise,we can always stay healty.
4、Listenning to music enables us to feel relaxed.
5、On no accout can we ignore the value of knowledge.
6、What will happy to the orphan.
7、For the past two years ,I have busy preparing for the examination.
8、It pay to help others.
9、The progress of the society is based on harmony.
10、We should do our best to achieve our goal in life.
11、Taking exercise is closly related to our health.
12、We should get into habit of keeping good hours.