Indefinite Pronouns

Is there ... at home?

I have never met ... from Poland.

... came to my party. I was so happy.

There is ... in the bag. It`s empty.

Is there ... I can do for you?

Have you bought ... milk?

Has ... seen my keys? I can`t find them.

...can see this concert. It`s free.

Is there ... to drink?

The room was empty. There was ... there.

The hall was full. There was ... to sit.

The party is going to be very boring. ... will come.