At each stage of the lesson, activities focus on all four skills.（）

The stages of a lesson overlap.（）

判断题The stages of a lesson overlap.（）

Usually a lesson should focus on practicing one single ...

判断题Usually a lesson should focus on practicing one single skill so that the students can develop that skill successfully.（）

A normal lesson should have the all the stages discusse...

判断题A normal lesson should have the all the stages discussed in this unit and the stages should be in fixed order.（）