You can’t imagine what great trouble they have _________ the problem_______.
#95579
A
to solve; being talked about
B
solving; discussing
C
to solve; to talk about
D
solving; being discussed
推荐题目
After completing and signing it, please return the form to us in the envelope _______.
#91566
A
provided
B
providing
C
having provided
D
provide
Nowadays people sometimes separate their waste to make it easier for it ________.
#88839
A
reusing
B
reused
C
reuses
D
to be reused
In the old days, many poor people had no food ______ and no rooms______.
#95204
A
to eat, to live
B
to eat, to live in
C
eating, living
D
eating, living in
Lily’s mobile phone was left in a taxi accidentally, _____ again.
#90688
A
never to find
B
to never be found
C
to never find
D
never to be found
(2013·北京,21)Volunteering gives you a chance ________ lives, including your own.
#89234
A
change
B
changing
C
changed
D
to change
