<span>If you measured the amount of rainfall incorrectly</span>
Answer:
I’d say it intensifies the speakers sense of urgency, because the modal verb must in this sense is used forcefully, as to imply there is little time and action must be taken due to this.
B.) I wanted to go the park today. Do you want to come along?
Here is the answer to the given question above. The clues in the story hint at Freeman's identity are the following: they had to change who they were in order not to get caught by their master. This is based on line 61-62 which states, “There, Caesar that it would help if you all change your names and appearance <span>as much as possible since master Selby was sure to post your description.”</span>