1) We haven't been to Spain for five years.
2) She is the nicest person I have ever met.
3) What are you doing this weekend?
4) I have never seen this film before.
5) I am seeing my doctor today.
6) Are you busy on Saturday night?
7) Jane hasn't come yet.
8) Have you ever been to the new internet cafe in town?
9) Mark has been learning English for six years.
Привет мои дорогие мама и папа! у меня всё хорошо. я много узнала о Лондоне и о его достопримечательностях. в понидельник мы ходили на трафолгарскую площадь, потом к Биг бену. во вторник в парк развлечений. там было очень весело. я купила вам много сувениров. очень вас люблю и целую с/л барбара
1 in 1939
2 yes of course
3
4 only few people owned TV in the next few years
5 Because of World War 2
because World War 2 had finished
6 can be seen direct as everything occur .The boundaries of time and space have disappeared
7 is provided with help of a system of artificial earth satellites
8 a system using wires
9 in 1949
as a means of transmitting TV signals to rural and mountain areas far from big cities
10 <span> black and white</span>
11 <span>it is a liquid- crystaldisplay
12 </span>in a digital system usually continuous signal is replaced by a digital code containing detailed information on brightness. colour
13 continuous signal is replaced by a digital code
14 look like minicomputer
15 put the programs you like into the memory
16 it is HDTV ot Hi vision
17 it is a high definition television
18 Japanese manufacturers
19 plasma display
20 makes it possible to produce a large bright colour flat TV screen thin and light that it can also be hung on a wall like it framed picture