Theseda的精选

问题详情： 完形填空。根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳*Thesedays,somemiddleschoolsinChinaaretryingtodosomethingdifferent.Thestudentschooseclassesaccordingtotheirownneeds....