1 . Such a high increase will impose an undue b________ on the local tax payer. (根据首字母单词拼写)

2 . A huge b________ was lifted from my shoulders when I told my parents about my problem. (根据首字母单词拼写)

3 . My elderly mother worries that she’s a b________ to me. (根据首字母单词拼写)

4 . The little donkey struggled under its heavy ________ (重担). (根据汉语提示单词拼写)

5 . She didn’t even have the d________ to apologize. (根据首字母单词拼写)

6 . Anyway, I can't deceive him - it's against all my________ (道德原则). (根据汉语提示单词拼写)

7 . He was a man of ________ (道德原则). (根据汉语提示单词拼写)

8 . In the 1870s and 1880s, doctors began to follow the________ (法则) of antiseptic surgery. (根据汉语提示单词拼写)

9 . All through the trial he protested his ________ (无罪). (根据汉语提示单词拼写)

10 . She has this apparent ________ (纯真) which, I suspect, she uses to her advantage. (根据汉语提示单词拼写)