Query any talk you want.

I.EXAMPLES:

You forgot to bring your homework again.

How come?

How come your little sister is so angry?

How come we were not invited to the party?

II.DIALOGUES:

I.EXAMPLES:You forgot to bring your homework again.How come?How come your little sister is so angry?How come we were not invited to the party?

II.DIALOGUES:

A: Are you going to your sister’s wedding?

B: I decided not to go.

A: How come you’re not going?

B:  Because I’m afraid that if I go I’ll catch the bouquet of flowers and then I’ll have to get married.

A: Don’t be silly.Just make sure you don’t catch it.

B: Hey, that’s a good idea.I never thought of that.