What breed Dog is this?

[Leon]

Hi
I have adopted this dog a few months now and I just don't know what dog it is. Please see attached pictures to help me determine the breed. I got her when she was 3months old and now she is 7months. She has long legs and can jump very high. She also growls like she talking.

 

[linda2147]

the ears and shape of face suggest pit bull not a purebred but who knows what else