[部优] Structures in Use、Grammar in Use_第一课时
[部优] Structures in Use、Grammar in Use_第一课时
[部优] Structures in Use、Grammar in Use_第三课时
[部优] Structures in Use、Grammar in Use_第二课时
[部优] Listening and reading_第一课时
[部优] Structures in Use、Grammar in Use_第一课时
[部优] Structures in Use、Grammar in Use_第二课时
[部优] Listening and reading_第一课时
[部优] Structures in Use、Grammar in Use_第一课时
[部优] Learning about Language_第一课时
[部优] Warming up、Pre-reading、Reading、Comprehending_第一课时
[部优] Warming up、Pre-reading、Reading、Comprehending_第一课时
[部优] Warming up、Pre-reading、Reading、Comprehending_第一课时