I eat

(a)  

an apple

(a)  

an orange

(a)  

a banana

(a)  

a roll

(a)  

cake

(a)  

chocolate

(a)  

biscuits

(a)  

crisps

(a)  

sweets

(a)  

I eat nothing

(a)  

what do you drink at breaktime?

(a)  

I drink

(a)  

cola

(a)  

orange juice

(a)  

water

(a)  

I drink nothing

(a)  

can I help you?

(a)  

a roll, please

(a)  

that's fifty cents

(a)  

here you are / you're welcome

(a)  

thanks

(a)