11. My parents aren`t here at the moment. They (play) golf.

11. My parents aren`t here at the moment. They (play) golf.

В данном предложении необходимо использовать Present Continuous для описания действий, происходящих в данный момент.

They (play) golf -> They are playing golf.

Составим предложение:

My parents aren't here at the moment. They are playing golf.

Ответ: My parents aren't here at the moment. They are playing golf.