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: Smoking causes lung cancer in ____ ways.

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

A: four
****
Q: Most birds have ____ toes.

A:
four
****