He has been working on this research these three years and ( ) outstanding results.
括号里面应该用 achieved 还是 has achieved?
人气:343 ℃ 时间:2019-10-23 05:14:43
解答
答案:achieved 解析:和前文重复的助动词或重复的主要动词也可省略(括号部分为省略的成分).如:1.you could have come and (you could have) told me.2.please clean the classroom and (clean) the reading-...
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