10:00
Chinese student categorization
10:00
1:33
11:00
6:41
12:23
13:00
8:22
5:07
16:55
6:00
7:14
1:28
17:49
12:00
10:46
10:57
9:31
5:21
7:33
5:23
12:00
5:03
5:08
15:35
6:12
13:55
5:04
12:22
2:26
13:00
8:48
13:22
12:00
12:00
22:30
8:00
10:10
5:47
22:56
13:01
15:58
6:15
10:08
10:20
12:33
20:14
10:00
6:03
12:01
12:04
6:41
7:12
10:17
15:59
5:07
8:00
9:58
13:40
20:26
6:38