1 the professor whose course I am taking is excellent

2 I saw a lot of people and horses that went to the market

3 I recently went back to paris in which I was born nearly 50 years ago

4 do you know the music which is being played on the radio?

5 you didn't tell us the reason for which we have to cut down our daily expenses

6 the day when she left was rainy

7 one of the elephants which we saw at the zoo had only one tusk

8 this is Mrs.Jones whose son won the championship last year

9 is this the style of hair which your wife wants to have?

10 the girl who chatted with you yesterday is my cousin

11 Max isn't at home yet which worries me

12 the man who spent 15 minutes measuring our kitchen is very kind

13 the architect who has moved to HCM city designed these flats

14 the young boy who rides an expensive motorbike is naughty

15 I'm reading the book which I bought in 1996