题文
As a environmentalist, he hopes to devoted his life water and air pollution a peaceful life.
| A．prevent; living |
| B．preventing; living |
| C．prevent; to live |
| D．preventing; to live |
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As a environmentalist, he hopes to devoted his life water and air pollution a peaceful life.
| A．prevent; living |
| B．preventing; living |
| C．prevent; to live |
| D．preventing; to live |
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