Answer:
1. I may not be able to jog today, as I am feeling a bit under the weather.
2. At the start of the lecture, the new professor tried to break the ice by telling a joke.
3. I will be on cloud nine when my articles get published.
Explanation:
When someone says they are feeling under the weather, it means they are not feeling well.
When someone says to break the ice, it means to get a conversation going or to relieve the tension in a social setting.
When someone says they are on cloud nine, it means they are super happy.
self deprecating modest about or critical of oneself, especially humorously so
The answer is the amputation of the lieutenant's arm. None of the other options are events in the story. The lieutenant returns home and we don't know the outcome of the battle. There is also no evidence he was ever ill.