Life is like riding a bicycle. ________ your balance, you must keep moving.
#88762
A
Keeping
B
To keep
C
Keep
D
Having kept
推荐题目
In order to make our city green，______.
#98146
A
it is necessary to have planted more trees
B
many more trees need to plant
C
our city needs more trees
D
we must plant more trees
He left his homeland, _________ never _________ back again.
#95677
A
determined; to come
B
being determined; to come
C
determined; coming
D
determining; coming
All passengers _____ in the accident were sent to the nearby hospital in no time.
#98889
A
to find injured
B
finding to injure
C
to be found injury
D
found injured
What is the way George thought of ______ enough money to buy the house?
#89915
A
to get
B
getting
C
having got
D
being got