单选题：__________ originated the Earth Day.

题目内容：

__________ originated the Earth Day. A．College students
B．Policy makers
C．Ordinary people
D．Denis Hayes

参考答案：

答案解析：

The expression "... there is no point whatever in talking ab

The expression "... there is no point whatever in talking about... " in paragrap

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Jimmy‘s mother went out because ________. A．she waited for hours B．nobody called

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