(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
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with so much homework to do,David told his sister_____so much noise.
#93703
A
to make not
B
not to make
C
not making
D
making not
____________ his accent, he is from the south of China.
#94020
A
Judged by
B
Judging to
C
Judging by
D
To judge
Those  ___ to go to the exhibition should inform the office.
#98027
A
not wanting
B
who not want
C
not wanted
D
are not want