Грамматика
People(to write) with quills, pens and pencils long before Laszlo Biro(to invent) his biro in 1938. While he(to work) as a journalist in Hungary, he(to notice) that the ink used in newspaper printing dried quickly. But this ink would not flow into the tip of a fountain pen. In 1938, he(to develop) a new tip using a ball that was free to turn in its socket. He (to die) in Buenos Aires in 1985.
While Trevor Baylis (to listen) to a radio programme about villages in rural Africa, he (to have) a great idea. According to the programme, most villages (not to have) electricity, so communication with the outside world … (to be) a problem. While people in cities (to receive) the latest health information, people in the countryside (not to get) enough information and education. Baylis …(to go) to his workshop and … (to begin) experimenting. He soon (to make) a working radio with no batteries - wind-up radio. While he (to try), without luck, to sell his idea to companies, he (to have) a lucky break. His radio (to appear) on a BBC TV programme, and someone who had money to invest in the project (to do) it. As a result, the Freeplay radio (to become) a huge success.
2. COMPLETE THE TEXT WITH A, AN, THE OR NOTHING
3.
Linux is (1) … operating system and it was initially created as (2) … hobby by a young student, Linus Torvalds, at (3) … University of Helsinki in (4) … Finland. Version 1.0 of the Linux Kernel was release in 1994. (5) … Kernel, at the heart of all Linux systems, is developed and released under GNU General Public License, and its source code is freely available to everyone.
Apart from the fact that it’s freely distributed, (6) … Linux’s functionality, adaptability and robustness has made it (7) … main alternative for proprietary Unix and Microsoft operating systems. IBM, Hewlett-Packard and other giants of (8) … computing world have embraced Linux and support its ongoing development. More than (9) … decade after its initial release, Linux is being adopted worldwide, primarily as (10) … server platform. Its use as (11) … home and office desktop operating system is also on the rise. (12) … operating system can also be incorporated directly into (13) … microchips in a process called (14) … embedding, and it is increasingly being used this way in (15) … appliances and devices.