Academic Listening 2 Unit 4

HALS2 – 4.1

HALS2 – 4.2

HALS2 – 4.3

HALS2 – 4.4

HALS2 – 4.5

HALS2 – 4.6

HALS2 – 4.7

HALS2 – 4.8

HALS2 – 4.9

HALS2 – 4.10

HALS2 – 4.11