The key to exercise solutions in chapter Unit 92 - Relative clauses 1 for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
Make one sentence from two. Use who / that / which.
Answer
The girl who was injured in the accident is now in hospital.
The waiter who served us was impolite and impatient.
The building that / which was destroyed in the fire has now been rebuilt.
The people who / that were arrested have now been released.
The bus that / which goes to the airport runs every half hour.