Once upon a time, there was a forest where all the animals lived happily _1__. One day a family went to _2__ the day in the forest, and one little boy _3__ his socks there. Soon after the family left, a racoon came _4__, found the socks, and decided to try them _5__. They __6_ so well, and he liked them so much __7_ he wouldn’t take them _8__. He spent his days walking _9__ the forest _10__ his new socks. in B. through C. by D. on E. off spend G. that H. left I. fit J. together