12.　 He has u________ all his secrets to me .

11.　 The child didn’t know how to b________ before the strangers.

10.　 His speech made a strong i________ on us.

9.　　　 Don’t i________ me when I am busy.

8.　　　 When you do something wrong, you should make an a________ to others.

7.　　　 It is important to follow the c_________ of the country which you are visiting.

6.　　　 It is bad m_____ to stare at a stranger.

5.　　　 He speaks Chinese t_____ well.

4.　　　 Let m i_______ myself; my name is Simpson.

3.　　　 Whose f_______ is it to have broken the window?