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: Corporate mergers occur when ____ companies combine.

Answer: two


Question: Cardiovascular disease is the cause of more deaths than the next ____ causes of death combined.

Answer: seven


Question: Smoking can increase the risk of a heart attack by ____ times and ruins cardiovascular health.

Answer:
three