Какое слово нужно вставить? There is a river too, so the elephants can ...a swim every day! (do; have; make)

There is a river too, so the elephants can have a swim every day!

Есть и река, поэтому слоны могут плавать каждый день!

Have a swim — плавать.

There isn\'t a river, so the elephants can\'t have a swim every day!

 There was a river too, so the elephants could have a swim every day!

There is a river too, so the elephants can have a swim every day, is not there?

What is there?

Where can the elephants have a swim?