So I noticed that 2 and 5 look a little underexposed and I was looking at your exif and I noticed you're using spot metering as well as a negative exposure compensation which may have something to do with it. Another thing to remember is equivalency. when you close your aperture you should slow down your shutter speed.
Now about the photos themselves. To be completely honest I only liked the black and white photos although there is some noise in #2 that I'm not too fond of. Your composition is ok for the most part but I think on number 6 in particular you should try to focus more on her eyes to have them sharper and look nicer.
I really can't pinpoint what I don't like about the others sorry... :/
perhaps I'm wrong?