How long do you think it will be ________ we win the football World Cup?—Perhaps twenty years

The dam was not strong enough to _____ the flood waters. The people living there had to remove from their houses.

Jenny, _________ do you visit your grandparents— Twice a month.

Shall I get you a magazine? — I have no appetite ________ reading at the moment

Are you satisfied with the air today –Not at all, it’s so foggy that I often get a cough. I think we all need much ________air to breathe.