61. that’s all(so much) for the class .time’s up.下课时间已到，本课时就讲这么多。
62. after class,you’re to read the text again.课后，大家还得再读一会儿。
63. and you ought to hand in the homework in time.大家要及时上交作业。
64. let’s take a break, see you later,everyone.休息一会儿，同学们，再见。
65. according to the study demand (require) and our arrangement,we’ll do an action.根据学习需要和安排，我们要搞一项活动。
66. from now on, at the beginning of every chinese class, we’ll ask someone to do the oral composition.从现在开始，在每堂语文课上课之始，我们请同学们做口头作文。
67. do you understand what i said just now ?大家明白我刚才说的意思吗?
68. now, you may make preparations for it in ten minutes.现在，大家可以准备十分钟。
69. the lecture will begin in a minute, let’s get ready.演讲稍候就要开始，准备一下。