I cannot unlock the Prepositions lesson

I am on level 8 right now, and no matter what i try, I cannot seem to unlock the lesson on prepositions. Following a trick suggested to access the colors lesson (which I had no problem opening), i tried going to

No use. Any ideas?

June 16, 2013


How did you unlock the colors lesson?? It is missing for me, and I cannot progress without it.

June 17, 2013

It just worked. The prepositions lesson is the first time I've faced this issue. Have you tried going to ?

June 17, 2013
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