Many people take turns going to the toilet to name a place

Because the women are all in the toilet, there are several people in line, just to take turns. So the answer is: London.

London, an English city.

The old doesn't go, the new doesn't come.

It's embarrassing to spit in public. If you vomit in the toilet, you can flush it away, killing two birds with one stone.

……It's ......Go to the last pit, so you won't be easily seen.