_______ 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
Paul doesn't have to be made ___. He always works hard.
#97795
A
learn
B
to learn
C
learned
D
learning
 Now I regret ______ those weight-loss pills. 
#90553
A
took
B
taking
C
taken
D
to take
---What made you so angry?
#96167
A
Mary’s leaving, instead of
B
Mary’s left, instead of
C
Mary’s leaving, without
D
Mary”s leaving, instead
The highway   to the city is under repair now.
#98007
A
leads
B
led
C
to lead
D
leading