No they're not.
1. is almost there, but we wouldn't say 'the teeth of the students'. I'm sure you can think of the alternative.
2. Keep it simple. Just say they can check them all afterwards.
3. If you've watched scenes being enacted in a movie, you can't then enact them yourself. You can only re-enact them.
If I were re-enacting a scene for my friends, I'd do so move by move, rather than line by line. 'Line by line' refers only to the speech, not the actions. But that, of course, means finding another word for 'movie' (...movie move by move). How about 'film'. (A much better word anyway, in my opinion!)
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