Complete the sentences with the words in the box. There are two extra words. 

if, as soon as, after, unless
I can prepare something if you are hungry.
1 Remove the biscuits from the oven ___________ you can see they're turning brown.
2 You should keep the fruit in the fridge ___________ you want to eat it right now. 

if, before, until, when
3 Please remember to wash your hands ___________ you touch the food so you don’t get any germs on it.
4 I’m hungry, so I’m going to make a sandwich ___________ I get home.
5 You will learn how to cook this dish ___________ you pay close attention to all the steps.