Hi or hello is the answer
Examples of unimaginable, El viaje fue inimaginable!
I don't know because I am not Spanish sorry bud
The answer to the first one is 1) Las comedias son serias. The answer to the second one is d. Miguel y Yolanda I believe. I hope this helps and I hope I didn't get either of them wrong. They seem about right to me.
1. I have to order a new cookbook today.
2. I have to go to a conference with some colleagues.
3. I should go see my patient with diabetes.
4. Today, Monday, I can see more patients.
