第七课 Lesson Seven ; z ; zh ch sh ; Episode Seven

第十七课 Lesson Seventeen ; Episode Seventeen ; elite-episode ; UNA visit a

第五十七课 Lesson Fifty-seven ; Back in the old country ; Can I help you, madam

第七课时 Main task ; Integrated skills ; The Seventh Period

第二十七课 Lesson Twenty-seven ; A wet night ; Nothing to sell and nothing ; liberty-magnificent

第四十七课 Lesson Forty-seven ; Too high a price ; The great escape ; A thirsty ghost

第七节课 The seventh class ; Lesson VII

第七十六课 April Fools Day

第六十七课 Volcanoes ; Lesson Sixty-seven

第七十九课 By air