判断题
错误
At each stage of the lesson, activities focus on all fo...
判断题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.（）
