Volunteering gives you a chance ________ lives，including your own. (2013·北京，21)
#88739
A
change
B
changing
C
changed
D
to change
推荐题目
There are lots of plastic bags ____ in the river, ____ it very dirty.
#92547
A
floating; making
B
to float; made
C
being floated; made
D
floated; making
—Is Bob still performing?—I'm afraid not.He is said ________ the stage already as he has become an official.
#89171
A
to have left
B
to leave
C
to have been left
D
to be left
________that he made an obvious mistake，Jeff went on with his speech.
#93256
A
Not realized
B
Not realizing
C
Not to realize
D
Not to have realized