When I came into the classroom this morning, it ______ me that I had left my book in my dormitory

Lion: Want to have a fight, little dog? Dog: NoI don’t want to fight an animal that is ______extinction(灭绝)My master told me that we should protect endangered animals

I followed the man in a blue jacket thirty meters ______ me and watched him enter the hall

Tony , don’t draw on the wall, it isn’t good behavior.—_____ .

This computer is old, but it is ______ to mebecause it was a present from my dearest grandpa.