在门上是on the door还是in the door?

在门上是on the door还是in the door? 请问是on the door还是at the door?还有“在春节”是in the Spring Featival还是at the Spring Festival或是其它? 是knocked at the door还是knocked on the door the door in the wall 还是the door on the wall ________________ there was a notice on the door?你注意到门上有个通知吗? 在床上是in the bed 还是on the bed 在网上是on the Internet还是in the Internet. 在街上是on the street还是in the street? touch light 是指什么是 door gift，这个能装在门上吗？门上有触摸灯？ There are three windows and a door the wall填on还是in? 在阳光下是in,on还是under the sun 在太空是in the space还是on space? 在大学是in the university 还是on 关门是close the door还是 closed the door 在农场上是on the farm还是in the farm还是at the farm? on the exam和in the exam区别在哪?还有是cheat on the exam 还是in the exam? 在门外是out of door 还是out of the door还是out door还是out the door window和door 表示在墙上 用in还是on?我看好多辅导书是 windows on the wall但我记得老师讲的是windows in the wall到底是那个啊?请给我一个准确答案!