I ask the teacher to give me a review before the exam

12 mins 19 secs

56 secs

6 mins 15 secs

3 mins 15 secs

36 secs

25 mins 45 secs

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10 mins 1 sec

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6 mins 15 secs

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6 mins 15 secs

17 mins 44 secs

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41 mins 43 secs

1 hour 4 mins 18 secs

27 mins 46 secs

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8 mins

6 mins 11 secs

15 mins 14 secs

1 min 3 secs