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]: Acoustic instruments consist of ____ main parts neck, top, back and sides.
[A]: four


[Q]: Giant pandas move on all ____ legs.
[A]: four


[Q]: All Muslim men marry ____ wives .
[A]:
four