单项选择题

They are trying to work out a ______ to the problem.

A．satisfaction
B．solution
C．concentration
D．attention
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单项选择题
I was delighted to hear you ______ that.
A．to say
B．said
C．to have said
D．say
单项选择题
______ in my present work, I would be quite willing to do what you ask me to.
A．Were I not engaged
B．Engaged I were not
C．I were not engaged
D．Were not I engaged
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