1.lived加in
2.去掉because
3.when-which/that
4.who-whom
5.where-which/that
6.which加in
7.turn加to
8.friends加with whom
9.that-when
10.that-where
1.lived加in
2.去掉because
3.when-which/that
4.who-whom
5.where-which/that
6.which加in
7.turn加to
8.friends加with whom
9.that-when
10.that-where