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试题详情及答案解析
I think it's well worth ______ our best to learn a second language well.
A.to tryB.tryingC.tryD.tries
答案:B
试题分析:句意:我认为我们非常值得尽最大努力学好一门外语。短语be worth doing值得做某事,故选B。
考点:考查固定句式