根据句意及首字母提示完成单词
(1)My little brother runs so f____ that I can't catch up with him.
(2)I want to be the PE m____ in our class.
(3)As your good friend, I p____ to help you.
(4)Every day I run to the school and it can keep me f____.
(5) —Is e____ here today? —Yes, we are.