（2010·长春模拟) she is not so cheerful she used to be?A．How is it that

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（2010·长春模拟) she is not so cheerful she used to be?

A．How is it that；as	B．Why is it that；what
C．Is it why；that	D．How it is that；as

上一题下一题 0.64难度单项选择更新时间:2011-04-08 03:42:53

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