We were surprised at what she ________already ______(do)
问题描述:
We were surprised at what she ________already ______(do)
答
has, done
答
had done
答
had done
were surprised是过去了的动作,do是在were surprised之前就完成了的动作,是“过去的过去”,所以要用过去完成时.
不明白的再问哟,请及时采纳,多谢!