Here are the completed sentences, using the words from the box:
- Lions have got four legs, a big and long mouth and a lot of big teeth. They're dangerous.
- Tortoises have got four legs. They can't run. They're slow.
- Flies have got six legs, two wings and big eyes. They're ugly.
- Baby tortoises are cute. They've got yellow eyes and big feet.
The extra word is: snakes