问题 as直接跟动词的疑问（as和动词之间省略的主语是什么）

...actor design had progressed to the stage where a hydraulic lift system had been developed, as had the power take-off shaft used to drive trailed implements such as a self-binder or a manure spreader.as 直接接动词，as 和 had 之间省略的主语是什么？as 在这里是什么意思？

问题 what 还是 who

您好，请问这里为什用what呢？最上面那道题：如果说I can see Tom in the picture，是不是就可以用who can you see in the picture了呢？

问题 翻译疑问

Viewers who tuned into the 91st Academy Awards on Sunday night may have thought they were watching the Grammys as Hollywood's biggest night relied heavily on musical performances as to witty dialogue after opting to forgo a host for only the second time in decades.参考译文：周日晚间观...

话题 who

话题 who is

话题 who/whom

话题 who的用法

话题 who 主语从句

话题 those who

用户 艾玛who

话题 he who

话题 who

话题 that who

问题 两个非谓语动词的连用问题（比如“在教室前面站着在唱歌的人是……”）

...rl singing standing in front of classroom is my sister.或者：2.The girl who is singing standing in front of classroon is my sister.或者：3.The girl standing in front of classroom who is singing is my sister请问老师，这三个句子有什么问题，如果错了错在哪？尤其第一个...

问题 可以说the same…who…吗

好像听老师说过，英语习惯上要用 the same…that，不能用 the same…who的，但是下面这句怎么解释？Police suspected that the same men who were noticed loitering in the halls were responsible for burglarizing the law office.顺便请老师翻译一下，谢谢！