_____around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
#97907
A
Having shown
B
To be shown
C
Having been shown
D
To show
推荐题目
Wang Hua is said ____a new computer program recently, but I don’t know when she will finish it.
#97335
A
to design
B
to be designing
C
to have been designing
D
to have designed
___ the room, the nurse found the tape-recorder ___. 
#95593
A
Entering; stealing
B
Entering; gone
C
To have entered; being stolen
D
Having entered; to be stolen
Each button, when ____, provides a piece of beautiful music.
#88692
A
clicked
B
having clicked
C
clicking
D
being clicked