15.After she ______ (wash) the clothes,she began to clean the room.

问题描述:

15.After she ______ (wash) the clothes,she began to clean the room.
16.______ (wash) the clothes,she began to clean the room.
17.When she ______ (give) another chance,she succeeded.
18.______ (give) another chance,she succeeded.

had washed
Having washed
had been given
Being given