Answer:
Should
Explanation:
Should, it makes more sense to use the word "should not" instead of "must not".
<h3>
Answer: No, it is not a run-on sentence</h3>
This is one full thought that doesn't run on for too long. The "overcome with joy" portion is the dependent clause that needs the other part "Mrs. Monroe told her husband the exciting news about her promotion" which is the independent clause. The independent clause could be its own sentence without the dependent clause, but not the other way around.
3. The third person point of view (the 'he' vs. 'I' in this passage) is voiced by an observer with limited omniscience.
In this case limited omniscience is shown by the fact that the narrator has feelings about what is occurring. An objective character would remain neutral describing events.
