Just now, I went to study room in the basement, but came back since it seems nobody else on that floor.This is Midterm period, but still many people dont need to work hard.

• 就在现在；我走到地下室的学习室；但再看起来=没人在楼上的时候回来了.；现在是期中考试阶段；但是还是有人不需要努力学习