—What’s worrying you, dear?—Nothing. I was just thinking about the problem _____

题干

—What’s worrying you, dear?
—Nothing. I was just thinking about the problem ______ tomorrow.

A．to be discussed	B．being discussed
C．discussed	D．discussing

上一题下一题 0.4难度单项选择更新时间:2012-04-17 03:19:23

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