2 Choose the correct words. 1 You must don't have to wash your hands to
kill germs.
2 Spiders can/can't fly.
3 They can/mustn't catch flies.
4 Snakes are carnivorous - they have to /
mustn't eat meat.
5 They eat mice alive - they have to / don't
have to kill them first!
6 You have to / mustn't drink this water - it isn't
clean.​