The global warming is more and more serious, for which human beings ______．A．are

题干

The global warming is more and more serious, for which human beings ______．

A．are blaming	B．are to blame
C．are going to blame	D．are to be blamed

上一题下一题 0.64难度单项选择更新时间:2014-04-19 09:36:59

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