应该让这个班活跃起来。
At 12 o'clock the class was dismissed.
12点下课了。
Rachel enjoyed the class field trip to the aquarium in Boston.
拉切尔很喜欢她班级去波士顿水族馆的外出活动。
They manufacture the class of plastics known as thermoplastic materials.
他们生产被称为热塑材料的塑料类制品。
It always takes the class a while to settle down at the start of the lesson.
那个班一上课总得过一会儿才能安静下来。
The class was so big that he didn't know every student's name.
班级太大了，他记不全每个学生的名字。
The class sizes became smaller as the grades continued on.
随着年级的不断升高，班级人数越来越少。
It's not only dishonest but also unfair to all the other students in the class.
它不仅是不诚实的行为，而且对班上的其他学生来说也是不公平的。
The teacher said that she would test us on what we've learnt in the class today.
老师说她会考察我们今天在课堂上学到的东西。
At the end of the class you can either eat the meal prepared during the class or take it home with you.
在课程结束时，你可以吃在课堂上准备的饭或把它带回家。
I've put a star by the names of the girls in the class.
我在班里女生名字旁都画了一个星号。
One person in the group should be prepared to report back to the class on your discussion.
应由其中一名组员准备向全班汇报你们的讨论情况。
Only 18.8% of the class of 1982 had some kind of diploma four years after high school, versus 45% of the class of 1972.
相对于1972届学生中有45%在中学毕业4年后获得了某种文凭来说，1982届学生的这一比例只有18.8%。
多么特别的课堂啊！
The class required lots of attention.
这堂课需要全神贯注。
The class clapped and cheered for Dan.
全班同学都为丹鼓掌欢呼。
The class has been on for 10 minutes.
课已经开始10分钟了。
She told the class something untrue about herself.
她向全班讲了一些关于她自己的不真实的事情。
Everyone in the class looked in my direction.
班上的每个人都朝我的方向看。
Before each math class, I see her either helping the class at the front, or bringing the homework of the class together.
每次数学课前，我都看到她要么在前面辅导同学，要么就是在把全班的作业整理在一起。
Don't give up if you get behind the class.
如果你落后了，不要放弃。
I am afraid I can't go to the class.
我恐怕不能去上课了。
The class was often filled with laughter and screams.
课堂上经常充斥着笑声和尖叫声。
I used to be the best singer in the class.
我曾经是班上最好的歌手。
Sometimes Mr. Tan felt that the class was getting sleepy.
有时谭老师觉得同学们开始犯困了。
Just take care of yourself and don't worry about the class.
好好照顾自己，别担心上课的事。
Tom is one of the most popular students in the class.
汤姆是班上最受欢迎的学生之一。
Ms. Ross gave us a list of everyone in the class.
罗斯女士给了我们一份班上所有人的名单。
"Mr. Mason, can I ask the class a question?" Lisa asked.
“梅森先生，我能问全班同学一个问题吗？”丽莎问道。
Most of the class sat and day-dreamed about food or sport.
班上大多数人坐着，做着有关食物和运动的白日梦。
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