1, the hat which you were wearing yesterday was very expensive.
2. The restaurant where we enjoy having dinner always serves good food .
3. The man whom you spoke to in the street is a teacher.
4. There is the lady whose purse has been stolen.
5. Where is the man who sold me these sun-glasses.?
6.the paint on the seat which you are sitting on is still wet
7,all the people who I have ever met have disliked him
8,her father who has been to paris has just returned
9,bill, whom we saw at the dance, wants to go out with me
10.flies, which come mostly in the summer ,carry disease
21,swimming, which makes people strong, is a good sport
22,grass, which cows and horse love, is always green in england
23,air, which we breathe, is made up of many gases.
24,jackie chan. whose sister I know well, is a famous actor
25,the house which we are living in needs mending.
26,this tree whose branches are dead should be cut down.
27,tell me the reason why you left the city.
28,that river whose water is polluted is not safe for swimming
29,can you suggest the time when we'll meet
30,mr johnson, whose daughter has been living there for 4 years, is going to spain