—The police have caught the murderer.     —Yes, and he admitted ________ his boss on a rainy night seven years ago. 
#98191
A
to kill
B
to have killed
C
having killed
D
have been killing
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He had an accident ______ to work and was badly injured.
#95074
A
driving
B
driven
C
to drive
D
drove
— I hope to take the computer course.— Good idea. ____ more about it, visit this website.
#88380
A
To find out
B
Finding out
C
To be finding out
D
Having found out
 _____many times, they succeeded _________ the experiment.
#96579
A
Having tried; in doing
B
Tried; in being done
C
Having tried; to do
D
Tried; doing
 While ________ the street, he was hit by a car.
#96738
A
crossing
B
cross
C
crossed
D
to cross