"Yourhomeworkistocollectsoundsandtakethemdown,"Mrs.Olso...
问题详情："Yourhomeworkistocollectsoundsandtakethemdown,"Mrs.Olsonsaidbeforeclasswasover.Shehandedoutsheetsofpapershapedlikegiantears.Onhiswayhome,Colinglaredouttheschool-buswindow.Notfair,hethought.H...