根据所给汉语提示，写出空缺处单词正确形式
1. The __________(游客) want to go to the post office.
2. This is the nearest way to the __________(塔) Bridge.
3. He will have a __________(旅行) round the USA for holidays.
4. There are lots of __________(油画) on show in the gallery.
5. Can you see the words on the blackboard __________(清晰地)?
