41/ A building, which has been now rebuilt, was destroyed in the fire.

42/ The police never found the money which was stolen in the robbery.

43/ A chemical company, which employed 4000 people.

44/ She told me her address which I wrote down on a piece of paper.

45/ The market, which I usually go to, has refresh vegetables.

46/ Last year we spent our holiday in Singapore which is in the Asia.

47/ He received a low mark for his essay which was only one page long.

48/ My laptop, which is a present from my parents, is very useful.  

1,A buiding, which has now been rebuilt ,was destroyed in the fire

2,The police never found the money which was stolen in the robbery 

3,A chemical company ,which employed 4.000 people, has gone bankrupt

4,She told me her address which I wrote down on a piece of paper

5,The market, which I usually go to, has refresh vegetables

6,Last year we spent our holiday in Singapore which is in the Asia 

7,He received a low mark for his essay which was only one page long 

8,My laptop, which is a present from my parents, is very useful