_____ what would happen,none of them could find a way out. 
#90766
A
Left wondering
B
Having left wondering
C
Leaving to wonder
D
Having left to wonder
推荐题目
. _______ different kinds of pianos, the workers farther improved their quality.
#97438
A
To produce 
B
Being produced 
C
Produced
D
Having produced
No one can avoid         by advertisements. 
#90787
A
to be influenced
B
being influenced
C
influencing
D
having influence