QUIZ TIME! The Four Skills

Which of the following is NOT one of the Four Skills?
1. Reading
2. Speaking
3. Understanding
4. Writing
What are the four approaches to combining the Four Skills in learning?
1. the focal skill approach, content-based instruction, self-introduction task, project-based approach
2. the focal skill approach, content-based instruction, task-based instruction, project-based approach
3. the focal skill approach, context-based approach, task-based instruction, project-based approach
4. the focal skill approach, comprehension, production, task-based approach