1.必修四第一单元 Reading—A STUDENT OF AFRICAN WILDLIFE
04:032.必修四第一单元 Using Language—Reading
02:593.必修四第一单元 Using Language—Listening
01:514.必修四第一单元 Workbook LISTENING part 1
01:155.必修四第一单元 Workbook LISTENING part 2
01:006.必修四第一单元 Workbook LISTENING task
02:137.必修四第一单元 Workbook READING task
02:328.必修四第一单元 Words and expressions
03:581.必修四第二单元 Reading—A PIONEER FOR ALL PEOPLE
03:522.必修四第二单元 Using Language—Reading
03:303.必修四第二单元 Using Language—Listening
02:094.必修四第二单元 Workbook LISTENING
02:335.必修四第二单元 Workbook LISTENING task
02:196.必修四第二单元 Workbook READING task
03:007.必修四第二单元 Words and expressions
04:051.必修四第三单元 Reading—A MASTER OF NONVERBAL HUMOUR
04:002.必修四第三单元 Using Language—Reading and speaking
02:033.必修四第三单元 Using Language—part 1
01:254.必修四第三单元 Using Language—part 2
01:065.必修四第三单元 Workbook LISTENING
02:016.必修四第三单元 Workbook LISTENING task
01:527.必修四第三单元 Workbook READING task
03:228.必修四第三单元 Words and expressions
04:561.必修四第四单元 Reading—COMMUNICATION:NO PROBLEM?
03:542.必修四第四单元 Using Language—Reading
03:223.必修四第四单元 Using Language—Listening and speaking
02:094.必修四第四单元 Workbook LISTENING
02:185.必修四第四单元 Workbook LISTENING task
02:106.必修四第四单元 Workbook READING task
02:157.必修四第四单元 Words and expressions
03:51