题目内容：

We often see dogs always put their tongues(舌头)out in summer. But   1    the dogs didn’t do so. Long long ago, the dog was very bad .He 2   did a good deed.                   

One summer day the dog   3   into a forest.  4  he saw the forest was beautiful and clean ,  a  5   idea came to him. Then he brought  6   dirty things to the forest and put 7   everywhere. What he did was  8   by a monkey who hid  9  a big tree. He didn’t tell anyone    10 the dog did because   11   did not know why the dog did so.        

Several days    12   ,it got hotter and hotter , and the dirty things became rotten(腐烂).The air smelt    13  . Many animals fell ill. All the other animals became angry and tried     14    who had done it and punish him. The money knew    15        bad the dog was. So he     16   the other animals the truth. They catch up with the dog and     17  him eat all the dirty things and     18        the forest clean.

After that the dog     19     honest. To remember this, he put his tongue out in  20.   

1.                A．at last          B．at least         C．in the past D．first of all

 

2.                A．never          B．often           C．for ever  D．suddenly

 

3.                A．entered        B．arrived         C．reached  D．went

 

4.                A．So             B．When          C．So that   D．Once

 

5.                A．good           B．bad            C．wonderful D．common

 

6.                A．a lot           B．a great many     C．much D．a little

 

7.                A．it             B．that            C．these D．them

 

8.                A．looked         B．caught          C．watched  D．seen

 

9.                A．behind         B．before         C．around   D．besides

 

10.               A．how           B．when          C．what  D．why

 

11.               A．he            B．him            C．whom D．which

 

12.               A．before         B．ago            C．later  D．long

 

13.               A．terrible        B．nice           C．badly D．clean

 

14.               A．not to tell       B．to find out      C．not telling  D．finding out

 

15.               A．very           B．what           C．why  D．how

 

16.               A．said           B．spoke          C．told  D．answered

 

17.               A．wanted         B．let            C．allowed   D．asked

 

18.               A．keep          B．let            C．have  D．make

 

19.               A．wasn’t        B．didn’t seem to be    C．became   D．went

 

20.               A．spring          B．summer        C．autumn   D．winter