1
This number is considered unlucky.
2
It is the result when you take two from twenty.
3
It is the sum of ten and five.
4
... Thousand Leagues Under the Sea, by Jules Verne.
5
An octopus has got ... tentacles.
6
There are ... fingers at one hand.
7
We have ... eyes.
8
We have got ... head.
9
A cow has got ... legs.
10
Both our hands have ... fingers.
