Having checked the doors were closed,and__all the lights were off,the boy opended the door to his bedroom.

Having checked the doors were closed,and__all the lights were off,the boy opended the door to his bedroom.
Awhy Bthat C when Dwhere
我的疑问是 为什么check后的that 可以省略,而and后面的that不可以省略啊?
英语人气:410 ℃时间:2019-08-20 21:53:17
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答:一个动词有两个由that引导的宾语从句用and并列,第一个可以省略,第二个不能省略,原因是怕引导误会.比如某人说了两句话.Sb.said (that) he did A and that he did B.第一个that省略没有关系,我们知道是sb.said的内...
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