Relative clauses

Catherine and Sue are two girls... (like dancing)

• like dancing

• who like dancing

• who likes dancing

• that likes dancing

My mobile phone is something... (be very important to me)

• who is very important to me

• is very important to me

• that is very important to me

• that are very important to me

Antony is a friend of mine (live in Boston)

West Side Story is a musical (be very famous)

An airport is a place (planes land)

Do you know the man who is speaking on the phone?

• relative pronoun is necessary

• relative pronoun is not necessary

This is the time of the year __________ many people suffer from hayfever.