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: Neutrinos are particles with almost ____ mass and no electric charge.

Answer: no


Question: Pertussis is highly contagious with symptoms that can linger ____ to ten weeks.

Answer: six


Question: Bacteria vary widely in size and shape, but in general are at least ____ times larger than viruses.

Answer:
ten