单项选择题

He has been asked to account _______ his absence.

A．for
B．on
C．of
D．about
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单项选择题
A．lostB．losingC．losedD．lose
A．lost
B．losing
C．losed
D．lose
单项选择题
A．submissionB．fightingC．stoppingD．winning
A．submission
B．fighting
C．stopping
D．winning
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