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 . The irony of it is that the new tax system will b________ those it was intended to help. (根据首字母单词拼写)

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

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

6 . There was a b________ perceptible movement in his right arm. I have a four o’clock appointment at the hairdresser’s. (根据首字母单词拼写)

7 . The council’s provision for the elderly is b________ adequate. (根据首字母单词拼写)

8 . Having a good knowledge of traditions is good for us. We can b________________ a lot from learning them. (根据首字母单词拼写)

9 . They went downtown to see a __________ (芭蕾舞表演). (根据汉语提示单词拼写)

10 . Would you please keep silent? The weather report is being b________ and I want to listen. (根据首字母单词拼写)