Many people think any government's work should be evaluated ______ on citizens' happiness level.
#89331
A
based
B
to be based
C
basing
D
being based
推荐题目
May I use your pen please? I have no pen ___.
#97790
A
to write
B
to wtite with
C
for writing
D
to write by
He hid himself behind the door to avoid _____.  
#97063
A
to see   
B
to be seen  
C
being seen  
D
seeing
_____ to ten years in prison, the man lost all hope.
#95404
A
Be sentenced
B
Sentencing
C
To sentence
D
Having been sentenced.