The washing maching which we bought last week works by ()
问题描述：
The washing maching which we bought last week works by ()
用括号里的词的正确形式填空：The washing maching which we bought last week works by ( )(oneself) 为什么填itselves?
答
反身代词跟主语保持一致.这句的主语是机器,就是事物,所以反身代词药用itself