WangGinger 发表于 2023-9-22 09:16
个人观点:如果选D的话,that后面was的主语就是seeds了,单复数不一致
WangGinger 发表于 2023-9-22 09:18
我能问问这道题的B选项吗?scientists able to engineer seeds that fend off disease and insects这一整件 ...
Liyayayaya 发表于 2023-9-23 13:31
会不会是少了个being?
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