请在 下方输入 要搜索的题目:

A new technique __________, the yields as a whole in this village increased by 22 percent.


A、workingout;
B、havingworkedout;
C、tohavebeenworkedout;
D、havingbeenworkedout

发布时间:2025-11-01 23:03:58
推荐参考答案 ( 由 题搜搜 官方老师解答 )
答案:having been worked out
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