They're the tourist(游客)________ vacation．

1. A.
   of
2. B.
   in
3. C.
   on
4. D.
   at

（翻译）游客们可以坐公共汽车去参观甲壳虫乐队在歌词中提到的地方。

　　Tourists can take a bus tour　_________ _________　some of the places the Beatles mention in their songs.

在水族馆有许多游客。

　　There were many visitors ______ ______ ______ ．