单项选择题

Because he is busy making money now, he is ______ of new developments in his original field.

A．ignorant
B．innocent
C．illiterate
D．negligent
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单项选择题
She gave him back the money she'd stolen for ______ sake.
A．consent
B．conscience' s
C．her
D．conscious'
单项选择题
Let's put our heads together and ______ a plan of action.
A．decide about
B．decide against
C．decide on
D．decide between
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