单词拼写（共5小题，每小题1分，满分5分） 根据下列句子及所给单词的首字母写出所缺单词。在填写答卷时，要求写出完整单词（每空限填一词）
It is a p______ that the weather is so bad today. We can’t go to a picnic.
You should always knock at the door before you e______ a room.
Close the window or the wind will b______ everything off my desk.
The young woman is very b______. She is not afraid of anything.
It’s very p______ to say “Thank you” when someone helps you.