should college students be allow to raise a pet

Of course not.
where you live is not your own home and your own space, you have to consider others feelings.
And your most important thing is to study and learn more things. I think the time you spending with a pet is a waste. You can spend it with you girlfriend and your firends.

yep,if nobody against you.

应该允许学院的学生养宠物吗？

应允许大学生养宠物吗？

恐怕不该。