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.

Swedes generally get ____ weeks of vacation each year and much of it is spent outdoors.
five

Elephants have five toes on the fore feet and ____ on the hind feet.
four

Insects are very numerous and include ____ species of the abundant and beautiful morpho butterflies.

four