越聽越清楚2 Units 13 - 15

Unit 13
Identify & Practice 087
Identify & Practice 088
Identify & Practice 089
Identify & Practice 090
Identify & Practice 091
Identify & Practice 092
Activity 093
Unit 14
Identify & Practice 094
Identify & Practice 095
Identify & Practice 096
Identify & Practice 097
Identify & Practice 098
Identify & Practice 099
Activity 100
Unit 15
Identify & Practice 101
Identify & Practice 102
Identify & Practice 103
Identify & Practice 104
Identify & Practice 105
Identify & Practice 106
Activity 107