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.

Most psychologists agree that the big ____ personality traits are stable across the life-span.
five

Body temperature attains ambient levels within four to ____ hours.
six

Cot death is the sudden and unexpected death of a baby for ____ obvious reason.

no

