| 1. | We examined various chemicals in class today 我们今天在课上检验了多种化学物质。 |
| 2. | They have to prepare for the culture 所以我在课上花许多时间讨论文化冲撞。 |
| 3. | The teacher banned him from talking in class 老师严禁他在课上讲话。 |
| 4. | You should always speak english in class 你最好总是在课上说英语。 |
| 5. | They would play leapfrog in the class 他们会在课上玩跳背游戏。 |
| 6. | Please to the teacher in class 请集中注意听老师在课上讲。 |
| 7. | Lilei often makes faces in class 李雷经常在课上做鬼脸。 |
| 8. | Sometimes we watch tv in class 有时我们在课上看电视。 |
| 9. | I also take notes in class , which has proved to be very helpful 我也在课上记笔记,这证明是非常有帮助的。 |
| 10. | On my way home he told me of an incident that took place in his class 在回家路上,他给我讲了在课上发生的一件事。 |