____ has helped to protect the environment is worth praising.A．WhoB．The oneC．Any_刷题宝

题干

____ has helped to protect the environment is worth praising.

A．Who	B．The one
C．Anyone	D．Whoever

上一题下一题 0.64难度单项选择更新时间:2015-03-02 10:23:05

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