I prefer 4shared. No malware popups.
I personally like Google Drive. I think the free version has a 12 GB upload limit, which isn't bad already.
Google Drive these days, for me anyway.
Google Drive for sure. MediaFire has annoying popups whenever you click download
And also, I dislike RAR, because WinRAR is not free. I always convert it online, but it is a pain.
Separate names with a comma.