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.
