A lot of research and studies have shown that Trench oil, taken out from kitchen waste,______ the increase of cancers.
| A．appeals to | B．attends to | C．contributes to | D．devotes to |
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A lot of research and studies have shown that Trench oil, taken out from kitchen waste,______ the increase of cancers.
| A．appeals to | B．attends to | C．contributes to | D．devotes to |
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