Is there ___________ at home?
Yes. Peter.

This exercise is very easy. __________ can do it.

_____________ milk left in the bottle?
No, there _____________.

Don't worry, Peter.
There isn't ____________ waiting FOR you.

____________ you say is correct. You are very intelligent.

- Would you like __________ to eat?

- Yes, please.

There is ___________ I know that you dont' know.

Cuando esperamos que la respuesta sea afirmativa, porque estamos seguros de que HAY ALGO, preguntamos usando:
Ej:
Can I do _______________ for you?

Del mismo modo que podemos usar en una pregunta something (porque esperamos que la respuesta sea afirmativa o estamos seguros de que sí), podemos hacer el mismo uso cuando nos referimos a PERSONAS.

Teacher: Let's do the FIRST exercise!
Peter: Oh, sorry. I don't understand it. Can ____________ help me?

There is not _______________ I can do FOR you. I'm sorry.

___________ there ___________ apples in the bag?
Yes, there are ___________.