Skip to content
Prep
Freely
Home
TOEFL
IELTS
Guides
Log in
Sign up
P
Account
Profile
My progress
Settings
Log out
TOEFL
/
Listening practice
/ Section DCWA
Listen to an Announcement
Listen to an announcement.
Listen
19. What should participants bring?
A
A packed lunch.
B
Previously collected samples.
C
Identification sheets.
D
Sample jars.