It would be;
Antes mi hermanita le TENIA miedo a los perros.
TENIA is the past form.
Hope this helps (not sure if this is what you needed)
Answer:
comprar
Explanation:
comer = to eat
comprar = to buy
leer = to read
visitar = to visit
this sentence in english would say: i like to buy clothes, which makes the most sense
hope this helps!:)