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Onthe40thEarthDay,DrWanggaveusatalkontheimportanceof ...

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問題詳情：

Onthe40thEarthDay,DrWanggaveusatalkontheimportanceof ...

On the 40th Earth Day, Dr Wang gave us a talk on the importance of the earth.

A. practicing B. preventing C. polluting D. protecting

【回答】

D

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題型：選擇題

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