_______ on rescuing her sick son, the poor mother has been working 16 hours a day.
#88638
A
To bend
B
Being bent
C
Having bent
D
Bent
推荐题目
Tom is the first        he is wrong.
#94243
A
admit
B
to admit
C
of admitting
D
for admitting
It rained nonstop for ten days , completely _____ our holiday. 
#98169
A
to ruin
B
ruined
C
having ruined
D
ruining