-- The committee hasn’t approved __________ of the plans.-- Yes, you see only one is enough.

The number 911 is _____ special number, _______, I think, that will be remembered by the Americans forever.

She has long been expecting a computer belonging to herself and at last she got_________.

There is a subway in my hometown, but ________ existed two years ago.

The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.