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]: Elephants give birth to ____ calf every four to nine years on average.
[EX A]: one

[EX Q]: Many people have ____ symptoms until they suffer chest pains or a heart attack.
[EX A]: no

[EX Q]: Globule is surrounded by shield cells which are ____ in number.
[EX A]:
eight