I want to buy a new computer game with my birthday money. Which one do you think is good and why? There are so many to choose from! What happens in the game? Why do you like the game? How much does it cost? > Where can Anna buy it in your town?
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Bluetooth ™ Technology

Bluetooth is a fast-growing technology for transmitting data via radio, the development of which was initiated by market leaders in data transmission and the computer industry.

The name Bluetooth - Blue Tooth - was given in honor of the Danish king of the 10th century. Harald Blatan. In the X century. Danish King Harald II Blatan (Blatan in Danish “Blue Tooth”, Blue Tooth in English) became famous for his ability to find a common language with the vassal princes. After 1000 years of wireless technology, heterogeneous devices have chosen the name Bluetooth. The initiator of the Bluetooth project was the Swedish company Ericsson, which recommended such a name. This cutting-edge technology allows devices, including laptops, PDAs and cell phones, as well as numerous desktop and other devices, to communicate via radio automatically with nearby devices for exchanging information, commands, etc. One device can communicate with several (up to 7 at the same time) Bluetooth devices, the rest will be in standby mode. It uses ultra-high 2.4 GHz radio frequencies — a range free of licensing. Local radio networks according to the WLAN standard (IEEE802.11) and other devices and devices operate in the same range. Bluetooth provides data transfer rates of up to 721 Kbps in a radius of 10–20 meters, depending on the chip set and power.

1. When we met him, he was going to the shop. He wanted to buy some food. 2. What were you looking for when I opened the door? 3. Was your daughter skating on the pond from five till six? 4. What were they laughing at when he came in? - They were laughing at a funny story. 5. Where was he going when rain began)? - He was going to the office. 6. What was she playing when I rang her up? - She was playing the violin. 7. Who was quarrelling at that time? - His friend was quarrelling. 8. Beth and Tom were watching a TV programme when their mother asked them to help her. 9. Were you helping your mother while she was washing up? 10. The scientist working in the laboratory when some­body switched off the light. 11. Whom were you talking on the phone to, when I came into the room? 12. Jane was having a walk in the park when it began to snow. 13. Why weren't you having classes at nine o'clock? - Our teacher was ill. 14. Yesterday the whole lesson we revised grammar. 15. While Helen was  taking a shower mother was washing the dishes. 16. I was laying the table when I broke a plate. 17. When I met them in the yard, they were laughing. 18. She didn't get up at six o'clock yesterday. She got up at eight. 19. They were just leaving the house when we arrived. 20. When he came to the station, his friend were already waiting for him.