In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: Sin has _ effects on every person's life.

A: two
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Q: Humans host _ species of louse, the head louse , the body louse and the pubic louse .

A: three
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Q: Cows gain in weight for _ weeks before the start of breeding season and during breeding season.

A:
three
****