Noob Cameraman me saw is

1) no.5 try not so low angle due as you look like prevert.
2) Most of photo is Out of focus, I dunoe you problem or autofocusing problem ya..
3.no 5 agan, here face is underexposed, next time try fill in some light first.
4.No.4 try place model at better place because if you not realize, the model head like stick 1 papan sign on top on her head.
5. compo is missing here..