Content ：Did the group clearly state the main idea of the case? )
Was the presentation delivered in English?
1个同学全英文讲
2个同学全英文讲
3个同学全英文讲
无人全英文讲
Vocabulary(How many vocabulary they shared?)
1—5个
6-10个
11—15个
16—20个
20个以上
Please make some comments about the presentation.