Teacher teaching for ling subject
05:21
05:13
08:01
16:05
05:15
05:17
05:21
05:14
05:08
05:14
22:27
12:05
15:39
06:10
11:42
07:23
08:00
10:26
10:27
09:44
11:07
05:21
06:12
06:00
11:36
12:00
13:46
11:51
07:00
06:00
05:51
07:00
07:10
23:42
05:26
31:49
05:10
05:13
06:25
06:11
06:24
11:25
05:46
05:39
06:37
05:05
06:40
09:49
07:00
05:07
06:01
05:10
06:00
08:01
05:30
05:10
05:02
08:15
06:50
05:12
06:10
06:20
10:55
05:14
06:30
12:14
05:01
05:14
05:43
29:14
05:16
05:02
11:59
08:36
07:39
07:00
10:22
13:02
08:00
06:13
05:30
36:24
13:02
05:30