题目内容
The earth is our home. We should play a part in ________ the earth.
A. save B. to save C. saving D. saved
C 【解析】句意:地球是我们的家园,play a part in doing sth参与做某事;故选C
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题目内容
The earth is our home. We should play a part in ________ the earth.
A. save B. to save C. saving D. saved
C 【解析】句意:地球是我们的家园,play a part in doing sth参与做某事;故选C