I haven’t my photograph album _____________, but I’ll show it to you later

He failed his exam again. —But what did you _____ ? Had he ever been working hard?

－I wantto be a computer manager.－________.I am studying computer science very hard.

Gaddafi’s failure in Sirte _________ him the last opportunity to reestablish the government.

odern technology, even babiesweighing _______one kilogram at birth can survive