We were surprised at what she ________already ______(do)

问题描述:

We were surprised at what she ________already ______(do)

has, done

had done

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!