TASK DEFINITION: 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.
PROBLEM: Many addicts use opium because they have ____ access to public health care facilities.

SOLUTION: no

PROBLEM: Nymphs go through ____ instars and a pupa stage before reaching adulthood.

SOLUTION: three

PROBLEM: Muscular strength is tested on ____ major muscle groups.

SOLUTION:
six