why didn't I think before I began to work?

why didn't I think before I began to work? Why Didn't I Think of That? I hate myself why didn\'t see you before?Why why didn't you go to the movie yesterday?Because i it before Why didn't you go to the movie yesterday?Because I--before.A She wanted to know why I didn't think it was a good idea.其中的 --I didn't think you could finish the work on time -- To tel ---Why didn't you finish the task?---I didn't think it is __ I didn't realize how much time I had wasted until I began to When I began to study English,I didn't like like it at all.I i didn't think of the reason why i didn't go to meet