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20．To live a green life，we try_________ more energy and produce less pollution．（　　）

A．

to save

B．

save

C．

saves

D．

saved

分析為過一種綠色的生活，我們設法努力節約更多的能量和制造較少的污染．

解答答案：A．根據we try_________ more energy and produce less pollution，這里考查try的用法：try嘗試，一般用于try to do sth設法做某事，盡力做某事．故選A．

點評本題考查了非謂語動詞的用法．解答時注意：try嘗試，一般用于try to do sth設法做某事．

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