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.

Q: Humans grow with ____ sets of teeth.

A: two
****
Q: Sapsuckers are a group of ____ species known for literally drinking the sap of trees.

A: four
****
Q: Autism is ____ to four times more common in boys than girls.

A:
three
****