121. you’re allowed to have some drink in the evening.class 晚上上课时，大家可以喝水。
122. during the class, i notice some of you looks sleepy。我注意到有些同学课上精神不振。
123. i don’t think you had a good rest yesterday。 我想你可能是昨天没有休息好。
124. now you are allowed to take a three-miunte catnap.现在你可以休息三分钟。
125. and then,all of you must be in good (high) spirits.。然后，大家都要振作精神。
126. this class will be over in a moment, now let’s take a nap(break ,catnap).本课时将近结束，大家可以休息一会儿。
127. but you know(should understand), this doesn’t mean that you can take a rest in class freely.但是你得明白，这不是说你可以上课时随便休息。
128. could i have your attention?请注意了。
129. don’t fidget sth(about).不要搞小动作。