Answer:
Most of those answers look correct. Here are the few that should be changed:
- John's wife accused him of cheating.
- My boss ... After that, I could go on vacation.
- Kate apologized about her son's poor behavior.
- Everyone in the HR department was surprised about the news.
- Paul is very good at telling jokes...
- I'm not familiar with this neighborhood.
- If I had to choose between going to heaven or hell...
- NATO stands for the North Atlantic Treaty Organization.
- I will go on vacation next month.
- I was able to return the product because it was still under warranty.
- The little boy hit his friend with a stick.
This activity involves filling in the blanks with prepositions, which are words used to express spatial or temporal relations between a noun or pronoun and another element in the sentence.