It was already 2 am at night, but Amy didn't want to go to sleep. She heard a dog barking out of the door. She saw her dog Xigua went out with Miss Wan's dog, Caesar. What were they doing? Amy followed them and went out …
"Smart Cat" has the following sixfeatures: Feature one: original stories, readable. Feature two: audio stories, diverseversions. Feature three: outline closely, highcoverage. Feature four: scientific choreography, high repetitionrate. Feature five: rich resources both onlineand offline. Feature six:reading guidance, high practicability.
