Complete the sentences.

1. The Tower of London is a\(n\) ... palace of the kings and queens of England.
2. Look! A boat is ... under the bridge.
3. You can listen to the bell inside the clock tower ... every hour.
4. There are famous figures buried in the ... in the church.
5. There are different ... at the gallery every month.
6. The bridge is a\(n\) ... sight.