管理人员、（）、幼儿及其（）均是幼儿园教育评价工作的参与者。评价过程是各方共同参与、相互支持与作用的过程。
参考答案：教师；家长
He commanded that he students _____ the classroom before he returned.[ ]
A. didn't leave
B. wouldn't leave
C. needn't leave
D. not leave
凉血清脾饮功效与作用
