(2013·凉山一模)Life is like riding a bicycle. ________ your balance, you must keep moving.
#89279
A
Keeping
B
To keep
C
Keep
D
Being kept
推荐题目
_______ many times , he still couldn’t understand it．
#94833
A
Told
B
Having been told
C
Having told
D
He had been told
There was a sudden burst of light ______ a terrible noise.
#98514
A
following
B
to follow
C
followed
D
followed by
One of the things that made me long ________ back in prison was that I had little opportunity thinking and reflection.
#95237
A
be
B
being
C
to be
D
to being
—How do you think he managed to improve his English in such a short time? —______ four hours on it every day．
#96810
A
Because of spending
B
To spend
C
By spending
D
Spending