From that listening to the teacher lecture she said about the group work of students, because students shy to speak English. But the teacher will encourage students to practice English more. they like working group preferable working alone. they wishing to work with a very close friend. Have same idea at work, too. But sometimes work can't work together as a team. If a team is often had problems of cleft lip with some diligent but some people don't do anything or do work till not progress. so we should stay separate groups. To have the skills and different ideas to the good work of people and there is no problem.