第三节 听下面一段材料，从所听到的内容中获取必要信息，将18-20小题补充完整，每空不超过3个单词。听力材料朗读两遍。你有45秒钟的答题时间。
Welcome to Our Tour
This morning
We’re going
to take you to some points of 18 in
the city.
Grange(庄园)
One of the
oldest buildings in the city, it was built for our first mayor 200 years ago.
Every Saturday afternoon
You can come
and watch them bake bread the way it was done 19 ago.
Bridgeton Castle
This castle
was built by Sir Henry Pellat for his young wife. He
bought almost all of the building materials from 20 .