为了让大卫在学习上处于领先地位，他的父母对他要求严格．
David's parents are him to make him in study．
金属、玻璃、纸之类的废弃材料是可以回收利用的．
Many waste ， such as metal， glass and paper， can be ．
身体健康主要依赖于良好的食物、新鲜的空气和充足的睡眠．
Health mainly good food， fresh air and enough sleep．
他乐于助人，因此大家都喜欢和他交朋友．
Everyone likes to with him because he is always ready to help others．
五一假期，趵突泉接待游客十万多人次．
Baotu Spring Park received 100，000 visitors during the May Day Holiday．
我有用英语记日记的习惯．
I have a habit of keeping a diary ．