Ответ:

Somebody hadn't taken my book from my desk. I wish I could find it.

My office room had air conditioning. I wish it was more comfortable.

I could do something about the situation. I wish I had more control.

People would stop leaving the windows open in the office. I wish it didn't affect the temperature.

I could be sitting at home instead of being in this lecture. I wish I had more flexibility.

The neighbor hadn't seen me leaving the house. I wish I could have maintained my privacy.