■希望你会回答我的英语问题stay maintain在用法上有什么区别?

stay=停留
maintain=保持
please stay here for a moment
Please maintain your level.

1. I stay at home last night
1. I can maintain my emotion to be calm
2. Stay here, don't go away
2. You should maintain the computer server

maintain
v.tr.
main.tained; main.tain.ing; main.tains;
To keep up or carry on; continue:
维持或保持；继续：
maintain good relations.
维持良好的关系
To keep in an existing state; preserve or retain:
保持存在的状态；坚持或保持：
maintain one's composure.
保持冷静 【关于maintain是转载的,因为这个词还没学到】
stay
系动词
常常与adj.和一段时间连用,后也可接地点
stay awake 保持清醒 stay a week 呆上一周 stay there 呆在那里
stay there for a week 在那里呆上一周

我来回答，一、
1.arrive in HeFei
2.arrive at the airport
二、
1.I'm afraid I missed the English exam
2.He hope he could get a high score
3.I don't think he can answer the question
4.He was sure that he passed the Chinese eaxm
5.I got a high score in the English text.What about you?
6.These problems are easy for me.
三、
1.How often does he have a wash?
2.How often do they go to America?
3.When will his father return to china? 2039希望对你有帮助！