1．The valley ________ the town lies is very beautiful．
答案：in which/where
2．I don't have enough money ________ I can buy such an expensive dress．
答案：with which
3．I will never forget the days ________ we stayed together in the countryside．
答案：during which/when
4．I felt angry about the way ________ I was treated when I was shopping．
答案：that/in which
5．This is the building ________ windows were all painted green．
答案：whose
