Three years ago in Beijing, my best friend, David, was hit by a car while riding a bike, _______ a terrible brain injury.
#95598
A
caused
B
to cause
C
causing
D
being caused
推荐题目
There are some health problems that, when ___in time, can become bagger ones later on.
#90852
A
not treated
B
not being treated
C
not to be treated
D
not having been treated
We hope your suggestion will contribute __________ the problem. 
#88240
A
to solving
B
to solve
C
of solving
D
solved
—What do you think made the girl so depressed? —_____ with her boyfriend.
#94385
A
As she broke up
B
Break up
C
Breaking up
D
Because of breaking up