双语例句：
Some of us are ready to give up when there is a hard example in math class.
我们当中有一些人，一遇到数学难题就轻易放弃。
I cheated on a unit test in math class this morning during second period with Mr.
今天早上第二节，布克先生的数学课上，我在单元测验中作了弊。
When a student failed to solve a math problem in class, he expressed his regret to his teacher.
一名没学生在班上没有做出老师的数学题，他感到很遗憾，对老师解释说。
We are having a maths lesson in the classroom.
我们正在教室里上数学课。
Are you having a Maths lesson? No, we aren't.We're having an English lesson.
你们正在上一节数学课吗？不。我们在上英语课。