id,source
1,Recognize
2,Translate
3,ZeeKoe-Choice
4,Recognize_L1W_in_L2T
5,Select_L2W_fitting_L2T
6,Match_three_L1W_to_three_L2W
7,L1W_to_L1W_with_L2T_Example
8,Top Bookmarks Mini-Exercise
9,MULTIPLE_CHOICE
10,MATCH
11,Match_L2W_with_L1W
15,Multiple_Choice_Audio
16,Spell_What_You_Hear
17,OrderWords_L2T_from_L1T