13154
http://d33hzbufl2gyhz.cloudfront.net/dialogs/13154/thumb_166352_20120928150134.jpg
Traffic lights are used to regulate the flow traffic.
Duration - 00:58
420 points | Beginner
Recommended Videos
Recommended Courses
-
Conversation 1
Beginner | 50 videos
-
Discussion Issues 1
Intermediate | 50 videos
-
Debate It
Advanced | 40 videos
-
Conversation 2
Advanced | 50 videos
Top Scores
-
Last 30 days
-
All Time
-
1
420
Spicus_tjdus924
-
2
420
Spicus_yeppyhyun
-
3
420
_qortjr2007
-
4
420
_stmicro
-
5
418
cinnabar6
-
6
418
superfluity
-
7
415
me8982
-
8
415
_happyhong20
-
9
414
jeffery
-
10
414
Spicus_centaur000
Comments