Who will help me with my brain teasers? It's hard.

1, because 70% of the words in B are correct;

2. Two hourglasses leak together, and start counting after 6 minutes. After 8 minutes of leakage, rewind it immediately. It will be 10 minutes when it leaks again.

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6. Because the couple were on the mirror of the photo frame, they changed the photo frame the next day.