你和有智障的人们交流有一些麻烦吗?大约百分之八十的这些病例能够被预防或者治愈。来自不同背景的运动员们和志愿者们感觉就像是一个大家庭的组成部分。我们的病人中的大部分负担不起去看病。 在我上次的参观期间,150名病人被做了手术
I believe exercise and (新鲜的)air are good for our health.
It's important for teenagers to have good (习惯)
Jack looked through the (介绍)about the book before he decided to buy it.
Students should answer questions loudly and (清楚)in class.
Do you need to (讨论)the problem in groups?