youxiaxiaolala

2.A  Man answered the phone. He told me you were away.
   A  Man who answered the phone  told me you were away.
3.A waitress served us. She was very impolite and impatient.
   A waitress who was very impolite and impatient  served us.
4.A building was destroyed in the fire. It has now been released.
   A building which was destroyed in the fire has now been released.
5.Some people were arrested. They have now been released.
   Some people who were arrested have now been released.
6.A bus goes to the airport. It runs every half hour.
   A bus which runs every half hour goes to the airport.