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At the international conference, the scientist gave a report (base) ______ on hi
At the international conference, the scientist gave a report (base) ______ on hi
游客
2023-09-26
46
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问题
At the international conference, the scientist gave a report (base) ______ on his recent experiments.
选项
答案
based
解析
本句中,主语是the scientist,谓语是gave,因此base需要变成非谓语动词的形式,report和base之间是被动关系,所以采用过去分词。
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