Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
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Question: Biological islands are of ____ general types, geographical and ecological.

Answer: two


Question: Babies start swimming lessons as young as ____ weeks old.

Answer: four


Question: Disabled people are nearly ____ times as likely to be unemployed as anyone else in the jobs market.

Answer:
three