With a spectrum of students -- both quiet and fidgety children, and, of course, there was always a class clown -- I had to find ways to direct class so that all the students received the attention they needed.

• 面对不同的孩子--他们既安静本分，又坐立不安，里面总会有一个调皮鬼--我不得不想法控制课堂，以便使全部学生都能得到他(她)们想要的注意。