29. Your voice（timbre， tone） sounds sweet.你的声音很好听。
30. Read louder and slowly so that everybody can hear you.读得声音大一点、慢一点，让大家都能听清楚。
31. Now， you may read it in class .现在，你们可以课堂上阅读本文。
32. I ask you to read it fluently and clearly as soon as possible.我要求大家尽量流畅、清晰地阅读本文。
33. About the key sentences， I ask you to study not only the meaning of the words，but also （them）in the line.就这些重点语句，我要求大家有仅了解字面，还要注意字里行间的深意。
34. You may ask me if you have any questions.有问题可以问我。
35. I'll give you explanations as many as possible（I can）。我会尽多地为大家解释。
36. And then， I'm going to ask you sth simple about it. 然后，我会问你们一些较为简单的有关情况。
37. Where did we stop（learn） off last time（how far did we get last time）？ 上一次我们学到什么地方了？
38. Let me remind you of what we have learned last period （refresh your memory last time we talked about）。让我提醒你一下，关于上节课所学的内容。
39. Do you know the general mind （main meaning）of the article？你知道这篇文章的中心意思吗？
40. Say sth about what you have learned from the hero.谈谈关于这个英雄的启示。
41. You mustn't make faces in class.上课不要做鬼脸，出洋相。
42. Please keep quiet when some other students make mistakes.同学出错时，你要保持安静。
43. Let's take turns to read.让我们轮流来读。
44. Who can read it aloud first ？哪位能先朗读？
45. Hands up，please.请举手示意我。
46. Don't worry（calm down，slow down）。不必紧张。
47. Speak up，please.请大声说。
48. Stand straight，please.站直些。
49. The blackboard is too high for me， I only can write so few words on it.黑板太高了，我只能写这么多。
50. You're right（well done ）。很不错。