it's been found that some types of oil are really bad for he

it's been found that some types of oil are really bad for health------------?
请填写反义疑问句,并说明理由.
nikepony 1年前 已收到1个回答 举报

tw19810502 幼苗

共回答了19个问题采纳率:100% 举报

hasn't it
前面是主从复合句,反意问句的动词和主语要和主句中的主谓语(这里是it's been found )保持对应关系.
前肯后否,所以用hasn't it
注意:it's been found =It has been found 是现在完成时的被动语态,问句中时态要一致
很高兴为您解答,fightout为您答疑解惑
如果本题有什么不明白可以追问,

1年前

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