知识点
学习目标:
After this period, students are going to:
1. Interpret signs;
2. Use modal verbs to express obligation and prohibition;
3. Use imperatives to express prohibition;
4. Be aware of the importance of signs;
5. Assess and comment:
学习重点:
1. Use 'we must (not)' to obligation and prohibition;
2. Be aware of the importance of signs;
学习难点:
Assess and comment;
题库
课后题