OnedayFrankwaswalkingwithhismotherwhentheycametoapretty...
问题详情：OnedayFrankwaswalkingwithhismotherwhentheycametoaprettygarden.Franklookedin,andsawthatithadcleangravel（碎石）walksandbeautifulflowers. Hecalledtohismotherandsaid,“Mum,comeandlookatthisprettyg...