1.听到这不幸的消息,她禁不住哭了起来.（on hearing）
She cannot help crying on hearing this sad news.
2.对学生来说,学好一门外语是必要的和重要的.（it）
It is necessary and important for students to learn a foreign language well.
3.李梅病了,老师决定帮他补上所缺的课.（make up for）
Li Mei is sick/ill, so teach decides to make up for his absent classes.
4.像那样的问题是容易回答的.（such）
Such questions are easy to answer.
5.为了节省钱,你可以乘公共汽车去那里而不要叫出租车.（save）
To save money, you cn go there by bus instead of by taxi.
6.许多书籍和杂志能提供给我们精神食粮.（provide）
Lots of books and magazines could provide us metal/spiritual bread.
7.总的来说,酸雨是工业发展的结果.（result）
On the whole, acid rain is a result of the development of industries.
8.小红的作文很令人满意,我肯定她的老师会对它满意.（satisfied）
Xiao Hong's essay is satisfactory. I am sure her teacher will be satisfied with it.
9.我们将尽可能多地改进我们的工作.（possible）
We will do as muas as possible to improve our work.
10.人人皆知抽烟有害于健康.（damage）
It is known by all that smoking damages health.
希望能够帮到楼主