星期天,爸爸妈妈有事出门了,家里只剩下我一个人。我做完作业后,便骑车去爷爷家玩。还没到爷爷家,老远就听见爷爷和奶奶两个人在门口争论。他们一见到我,便迫不及待地拉着我来评理。原来,今年爷爷养的猪膘肥体壮,其中有47头可以出栏了,爷爷正准备把它们运往屠宰场。运猪的人告诉他们:若用拖拉机,每次可运5头猪,每次运费是 On Sunday, Mom and Dad got out of business, leaving me alone at home. After I finished my homework, I went to my grandfather’s house to ride. Not to grandfather’s house, heard grandfather and grandmother in front of two people arguing at the door. When they first saw me, they could not wait to pull me to judge. It turned out that this year, Grandpa pigs fat and strong, of which 47 can be slaughtered, my grandfather is preparing to transport them to the slaughterhouse. People who carry pigs tell them: If a tractor can carry 5 pigs at a time, each shipping fee is