— Would you like to drink _________ orange?—Yes, I’d love to. But there isn’t _________ orange in the glass.
--- When did your father come back last night? --- He didn’t come back _______ he finished all the work.
I think Kate will come if she _______ free this afternoon.
---I hope you _______ my party next weekend? --- OK, I _______ .
I was doing my homework _______ mother was cooking.
No one knows what _______ in fifty years.