_____ 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
_______ their service, the workers of the hotel are active in learning English.
#97633
A
Improving
B
To improve
C
Improve
D
Having improved
Do you consider it any good__________the truck again?  
#98682
A
to repair
B
repairing
C
repaired
D
being repairing