定语从句典型例句1、 This is an old computer whichthat works much slower.2、 They stayed with me for three weeks during which time they drunk all the wine I had.3、 The picture (that) we are looking at was drawn by a fifteen-year-old student.4、 The picture at which we are looking was drawn by a fifteen-year-old student.5、 I have many students to whom I am going to send postcards.6、 Youre the only one whose advice he might listen to.7、 Id like a room whose window looks out over the sea.8、