Tom()since he lost his job three weeks ago.
Stone does not(), and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
Ms Clark came to Beijing three years ago.
→ It has been ____ Ms Clark came to Beijing.
Since moving pictures were invented a century ago, a new way of distributing entertainment to consumers has emerged about once every generation. Each such (1)____(innovate) has changed the industry irreversibly; each has been (2) acco____ by a period of fear mixed with exhilaration. The arrival of digital technology, (3)____ translates music, pictures and text into the zeros and ones of computer language, marks one of those (4) p____.
This may sound familiar, because the digital revolution, and the explosion of choice that would go with it, has been shown for some time. In 1992, John Malone, chief executive of TCI, an American cable giant, welcomed the “500-channel universe.” Digital television was about to deliver everything (5)____ pizzas to people's living rooms. When the entertainment companies (6)____(try) out the technology, it worked fine-but not at a price that people were prepared to pay.
Those 500 channels eventually arrived but via the Internet and the PC (7)____ than through television. The digital revolution was starting to affect the entertainment business in (8)____(expect) ways. Eventually it will change every aspect of it, from the way cartoons are made to the way films are screened to the way people buy music. That much is clear. (9)____ nobody is sure of is how it will affect the economics of the business.
New technologies always contain within them both (10) th____ and opportunities. They have the potential both to make the companies in the business a great deal richer, and to sweep them away. Old companies always fear new technology.
Practice 14 Five hundred years ago, news of important happenings—battles lost and won, kings or rulers overthrown or killed—took months and even years to travel from one country to another. The news passed by word of mouth and was never accurate. (1) Today we can read in our newspapers of important events that occur in faraway countries on the same day they happen.
The old woman has just been ______ by the car. A moment ago she was still very much alive. It is ______ my understanding.
Only five years ago, there ______ a shortage of computer specialists.
Seven years ago, Scott was 3 times as old as Kathy was at that time. If Scott is now 5 years older than Kathy, how old is Scott ?
How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?
You are really incompetent! It ______ hours ago.