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: Female mealybugs have only ____ nymphal stages.

A: three
****
Q: Salsa works on the basis of Mambo - a pattern of ____ steps danced over eight counts of music.

A: six
****
Q: Electric vehicles have ____ tailpipe emissions.

A:
zero
****