A few hundred years ago news did not _____.
Not so long ago, people talked about global warming in apocalyptic terms—imagining the Statue of Liberty up to its chin in water or an onslaught of tropical diseases in Oslo. Recently, however, advances in our understanding of climate have moved global warming from a subject for a summer disaster movie to a serious but manageable scientific and policy issue. The greenhouse effect is nothing new; it has been operating ever since the earth formed. Without it, the surface of the globe would be a frigid –20 ℃ (–4 °F), the oceans would have frozen, and no life would have developed.
You are really incompetent! It ______ hours ago.
What’s the difference between the colour which you like now and ten years ago?
John, how lazy you are! This work ______ three days ago.
We know from this passage that over one hundred seventy years ago ______.
Tom()since he lost his job three weeks ago.
(),three months ago I could not have negotiated this deal.
The supervisor ______ our company 10 years ago after he decided to retire from military service.
How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?