写作训练 用课文中所学单词或词组改写句子. We made great efforts to find the lost jewelry but we fail
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写作训练
用课文中所学单词或词组改写句子。
We made great efforts to find the lost jewelry but we failed．
We tried our best to find the jewelry, but unluckily all our efforts were ________ ________．
试题答案
答案：in,vain