The answer is d. To drive back
Sentence 1 is incorrect. It should read, "They worked almost all day on the assignment."
Explanation:
Your answer depends on your second choice; listening no talking, politeness, mutual understanding, bias, acceptance.
listening is important if you are the recipient of communication.
politeness for the speakers opinion.
mutual understanding for what the speaker is trying to convey.
bias for putting yourself in the speakers shoes.
acceptance for the speakers opinion, wheather or not you share the same opinion..
Can we get the text you are getting this from?