I would make a few small changes to clarify the sentences (changes are in boldface): (1) Amy was sure that it was her lost dog Lucky because it had a conspicious dark spot on its right eye. (2) So she shouted loud ly, "Lucky! " (3) The dog seemed to recognize its proper owner, so it wagged its tail joyfully and barked at Amy in a friendly way .
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.