- Answer-

21. A dineris a person who eats in a restaurant

22. The people watching a play in the theatre are the Audience

23. An audienceis a group of people who go to the cinema

24. House keeper

25. A spectators is a person who watches a sport event

Explanation: Diner is a person that eats in a restaurant, So the answer of number 21 is Diner.

Audience is a people who watch a play in the theatre, That's why the answer of number 22 is Audience.

An audience is a group of people that go to the cinema, so the answer of number 23 is An audience.

Keeper is the answer of number 24, Because the meaning in Indonesia is Penjaga rumah.

The last one is number 25. A spectators is the right answer to fill the blanks.

Hope this helps ^ ^

Sorry if My answer is wrong ( No copy paste )