Answer:
In school it sometimes gets boring to listen to the teacher all the time, and work with the same person over an over againe. Group work is the best solution for this.
Explanation:
Both are correct. Example sentences below.
In three hours, we will arrive at our house.
In three more hours, we will arrive at our house.
When using "more", it implies that there was time that was previously passed.
Question 1: a
Question 2: a