I think they add mood and other text features.
Answer: I think 1 or 2
Explanation: 1 because a large number of just doesn't sound right and its to long but if you use many it sounds right and isn't long.
Maybe 2 because at that point in time just sounds weird and doesn't because its most likely talking about what's happened after so you would chose then but I think its 1 but if not
2
Answer: A false dilemma.
Explanation: The false dilemma gives only two options and sets things in black and white without a grey side.
Your answer is B. To move the reader toward the story's climax.
Answer:
"All day long we unpacked boxes, filled cupboards"
Hope this helps you.