1. As for homework，95％ students do homework every day.
as for...意思是“至于；关于”，常用于句首作状语，其后跟名词、代词或动词的-ing形式。如：
As for him，I never want to see him here.至于他，我永远不希望在这里见到。
As for the story，you'd better not believe it.关于那故事，你最好不要相信。
2. But my mother wants to drink it.
want to do sth.意思是“想要做某事”；want sb. to do sth.意思是“想要某人做某事”。如：
Do you want to go to the movies with me？你想和我一起去看电影吗？
The teacher doesn't want us to eat hamburgers.老师不想让我们吃汉堡。
3. She says it's good for my health.
be good for...表示“对……有益（有好处）”。其反义为：be bad for...。如：
It's good for us to do more reading. 多读书对我们有好处。
Reading in bed is bad for your eyes.在床上读书对你的眼睛有害。
4. On the other hand，people who are stressed out.
on the other hand不能译为“在另一只手上”，而应译为“另一方面”，用来表示转折或对比。有时与on the one hand连用。如：
It's cheap, but on the other hand the quality is poor.那件东西是便宜，但从另一方面来说，质量很差。
On the one hand he likes to study, but on the other hand, he is careless.一方面他喜欢学习，但另一方面，他粗心大意。
5. That sounds interesting.
这是“主语+系动词+表语”结构的简单句。sound（听起来），look（看起来），smell（闻起来），taste（尝起来），feel（觉得），seem（好象），grow（变得）等词在英语中可用作系动词，后跟形容词作表语。如：
It tastes good.这味道好。
The music sounds very sweet.这音乐听起来很入耳。
The smoke grew heavier and heavier.烟雾变得越来越浓了。