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.

[EX Q]: Inversions have the classic double loop at meiosis, and have ____ crossovers when heterozygotes.
[EX A]: no

[EX Q]: Groundhogs usually have ____ separate dens.
[EX A]: two

[EX Q]: American women are ____ times more likely to die of breast cancer than Japanese women.
[EX A]:
four