1．We settled down in a small village in front of which ran a winding river.
2．She has three sons，all of whom are abroad now.
3．He has two sisters，both of whom are teachers.
4．The school in which he once studied lies in the east of the town.
5．Do you remember the days on which we played together?
6．This is the man with whom I have worked together for twenty years.
7．The plan to which most people present didn't agree was called off.
