How to Make Rice Puddings

题目

How to Make Rice Puddings
We chinese people alwayseat rice dumplings at Dragon Boat Festival.Today we eat them to remember the great ancient poet Qu Yuan.Many Chinese women can make rice dumolings themselves.But how to make rice puddling?
First,put the sugar and milk in a pan o____ medium heat,and bring it to a boil.
Secondly,add water and rice,boil a____,then simmer for 30 minutes,stir it a f____ times each minute.
Next,cook it for about 30 minutes,or until the puddling is thick.Then turn o____ the heat and stir in the vanilla.
After that,put the puddling into a bowl and let it cool.
Finally,put the a bit of nutmeg on top,and it's ready!
本文选自华东师范大学的英语快速阅读与完形填空（六年级）,因答案掉了,请填空.

答案

on,again,few,off
I'm not precisely sure.