4 the boy who sat beside you at the party last night is jane's brother

5  although they don't have enough money they can buy this house

6 even though they played well they didn't win the game

7 ann who lives next door is very friendly

8 the man whom you met at the party last night is famous actor

9 there are some words which are very difficult to translate

10 I don't know the name of the woman whom I spoke to on the phone

11 the man whose son was ill called to the doctor

12 this book which consists of a list of endangered animals is important

13 the girl and her cats that are being painted in the picture are lovely

14 Mrs.Brown is going to have theplumber check the pipes for her next sunday

15 I have difficulty in improving my listening english skill

16 that tennis played whose name I have forgotten is very famous

17 she suggests a photo taken here

18 the play which we went to see last night was enjoyable

19 if you come home late your mother will punish you

20 Tom had no difficulty in passing the test