在上课

• For working more than 4 hours on school day during the school term
  于学期内，在上课日实际工作时间超过4小时；
• " are you paying more attention in class with it - based teaching
  老师在上课时用资讯科技教学，会令你更专心上课？
• “ it ' s because i passed a slip of paper for john to helen in class
  （这是因为我在上课中替约翰传纸条给海伦。 ）
• We ' re in ciass . you shouidn ' t
  我们在上课.你别
• In the classroom , he was always very serious , but we all liked him
  在上课时，他总是很严肃，但是我们都喜欢他！
• Students say the sunny rooms help them stay awake during class
  学生们说:阳光充足的教室使他们在上课时保持清醒。
• You smoked in class again
  你又在上课中抽烟了？
• We ' re in a class . - a class
  我们在上课-上课
• You talk in riddles , old man
  老人家你又在上课
• Students say the sunny rooms help them stay away ( awake ) during class
  学生们说阳光教室能让他们在上课时保持清醒。