The teacher told all the students that listening was key, it was the main way they would gain what?\nOptions:\n- empathy\n- anxiety\n- knowlege\n- falling down\n- hear things
Let’s work this out in a step by step way to be sure we have the right answer.
knowlege
Knowledge requires understanding and knowing many topics and concepts.

One can acquire good amount of knowledge if one listen to teachers carefully.

.

Final answer: knowlege