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]: Zygospores result from the fusion of ____ similar hyphal elements.
[EX A]: two

[EX Q]: Hoatzin has typical foot with ____ toes forwards and one backwards.
[EX A]: three

[EX Q]: Brazil is among the top ____ producers of sugar cane.
[EX A]:
three