(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
_______ in thought, he almost ran into the car in front of him.
#98610
A
Losing
B
Having lost
C
Lost
D
To lost
hardly made Allen pay any attention to correcting his mistakes.
#96897
A
scolding
B
To be scolded
C
Being scolded
D
Having scolded
The money collected should be made good use the people in need.
#92410
A
of helping
B
to help
C
of to help
D
to helping
My friend said that she would like _______ out with me, but I didn’t feel like _______ anything that day.
#91228
A
to eat; eating
B
eating; eating
C
to eat, to eat
D
eating; to eat