Having failed for several times, he is now determined to get rid of the traditional method and begin ____.
A. again
B. over
C. on
D. anew
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If the woman had not worn the mask, she ____ killed in the fire.
A. would have not been
B. would not be
C. would have been
D. would be
____ the police come in one minute later, the gangster fight would have become a murder.
A. Had
B. Should
C. If
D. Have
Compared with ourselves yesterday, it seems that there is not much difference.
A. identically
B. greatly
C. subtly
D. indispensably
One thing seems certain, which is that history and biology ____ tears.
A. go hand in hand with
B. side with
C. put emphasis on
D. put emphasis on