Each button, when ____, provides a piece of beautiful music.
#88692
A
clicked
B
having clicked
C
clicking
D
being clicked
推荐题目
 I'm calling to enquire about the position ________ in yesterday's China Daily.(2010·北京)
#88304
A
advertised
B
to be advertised
C
advertising
D
having advertised
The noise was so ______ that he was so ______ that he stayed awake the whole night.
#95803
A
disturbing; disturbed
B
disturbed; disturbing;
C
disturbing; disturbing
D
disturbed; disturbed