1、学好一门外语对我们将来的工作很重要。
It's important to learn a other language to our work in the future.
2、务必记住在交朋友时彼此理解尤为重要。
It's important to each other get along with friend.
3、近来李老师很忙,他要在20号之前完成他的报告。
Teacher Li recently busy because he finish his report before NO.20.
4、李华比以前都用功,因为他想赶上他的同学。
Lihua is more serious study than age because wanting to catch his student.
5、禁止随地扔垃圾,吐痰和抽烟。
Don't drop little,spit and smoking.
一、二、三句都是错的是吗?
追答嗯 有的是用词不准确 有的是介词用错 有的少动词 第三句其实不用加NO.