Whydowetakeschooltri的精选

问题详情： 完形填空；阅读下列材料,从A、B、C、D四个选项中选出最佳*。Whydowetakeschooltrips?Schooltripsareagreatchancetolearnoutsidetheclassroom    1newandinterestingways.Forexample,onatriptoafarm,weca...