10:00
Chinese student categorization
10:00
19:36
10:03
12:44
6:26
8:39
27:42
10:07
8:16
20:08
8:00
6:08
10:44
23:09
8:04
16:00
21:13
16:43
6:11
15:20
12:16
8:02
8:16
8:00
20:26
26:39
19:49
17:14
10:24
10:00
13:00
7:37
6:09
22:51
15:42
17:49
30:37
19:56
12:16
27:55
18:53
25:24
12:57
13:01
5:00
28:46
0:22
10:00
6:11
2:17
19:18
11:00
20:08
23:18
6:02
0:24
5:03
10:40
7:14
30:29