B are allowed to take; was not noticing
Haven't you seen the ntice "No photos are allowed to take here"?I am sorrry,I was not noticing.请问能告诉为什么吗?No photos be allowed to take here,或者简写为No Photo，禁止拍照，基本上是约定俗成了。I was not noticing, 我刚才没有注意到，应该是刚刚发生的过去时，而不是have noticed 现在完成时。