1 Decide if the relative pronoun is necessary in the sentence.


1  A calendar is something which tells you the date.
2  Strikers are soccer players who try to score goals for their team.
3  Jane is a person who everybody likes.
4  A stamp is something which you put on a letter if you want to send it.
5  The Thames is a river which runs through London.
6  Cheese is food which mice like eating.
7  A racket is something which you use to hit a ball when you play tennis or badminton.
8  Socks are things which you wear on your feet.
9  A guide is a person who shows tourists around a place.
10  Love is a feeling which nobody can describe.
12  The museum which we visited last month is closed now.
13  The man who you saw in the house is my cousin.
14  Bob, who I know very well, is going out with Mary.
15  I cannot forget the song which they played last night.
18  Lucy, who I haven't seen for ages, rang me last night.
19  A person that you don't trust won't trust you either.