______ twice, the postman refused to deliver our letters unless we chained our dog.
#95354
A
Being bitten
B
Bitten
C
Having bitten
D
To be bitten
推荐题目
When one makes new friends, don’t forget ______ old ones.
#95739
A
to come up with
B
losing sight of
C
to keep track of
D
keeping in touch with
The little boy is lucky enough to have escaped ____ to death in the big fire. 
#98699
A
burning
B
to be burned
C
being burned
D
to have been burned