Teacher and student support each other
12:54
06:55
08:00
06:34
12:01
31:20
12:00
05:21
05:03
16:14
05:03
07:35
05:57
06:55
07:01
19:34
06:24
06:24
45:04
06:30
06:30
08:00
06:30
05:02
08:01
08:01
07:32
12:00
12:12
10:36
07:13
06:15
12:22
07:32
08:41
08:06
08:41
08:06
08:06
08:32
13:10
06:09
05:44
06:14
12:19
05:54
21:57
12:18
12:22
08:00
05:51
06:23
08:01
12:10
08:06
16:07
15:50
05:04
05:10
07:20
28:32
06:58
10:04
07:24
07:09
08:08
11:47
08:01
06:11
08:01
08:00
31:37
05:59
34:12
05:01
08:01
07:05
07:59
06:31
18:48
06:53
05:40
32:48
13:00