It’s a fact ____ he has not received the letter

He will stop showing off, if no notice ＿＿＿＿＿ of him

For your eyes, don’t so much time playing computer games.

________ occurred to me that the murder happened ________ a rainy day. [ ]

I had thought he would be nervous in this speech competition, but he turned out to be calm.— He quite enough preparation for it.