Answer:

1. I noticed my sister hiding something from me.

My Dad noticed that I am eating at my bedroom.

2. I knew how to play a piano when I was a kid.

My teacher knew all along that we're gonna put up a party in her birthday.

3. We talked to met at the park yesterday.

Me and my enemy talked to not fight again.

4. I realized that my money was stolen.

My Mom realized that I got the lowest score of the class.

5. My high school career has begun.

My summer has begun.

Explanation:

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