Question

1 Complete the sentences with the correct form of the verb in brackets.
1 Liquid Paper was (invent) by Bessie Nesmith in 1951.
2 Penicillin was (discover) by Alexander Fleming.
3 The first telegraph system was
(build) by Samuel Morse in 1835.
4 The first radio transmission across the Atlantic was (make) on December 12, 1901.
5 The World Wide Web was (launch) in 1990 after Tim Berners-Lee created the first browser.
6 The first commercial mobile phones were
(sell) by NTT in Japan in 1979.



8 In 1655 Huygens (3) discovered / was discovered Titan, the largest moon of Saturn.
9 The first microwave ovens (4) produced / were produced by The Raytheon Corporation in 1954.
10 In 1928 the colour TV (5) developed / was developed by John Logie Baird. Two years later he (6) made / was made the first public TV broadcast.
11 The first book in English (7) printed / was printed in about 1474 by William Caxton.
12 The first designs of a submarine (8) made / were made by Leonardo da Vinci.

3 Rewrite each sentence using the passive. Orville and Wilbur Wright built and flew the first aeroplane.
The first aeroplane was built and flown by Orville and Wilbur Wright.
13 Erno Rubik invented his famous cube in 1977.
The Rubik cube






2 Choose the correct words to complete the sentences. Be careful! Not all the sentences are passive.
7 Most people think the electric light bulb
(1) invented / was invented by Thomas Edison, but in fact it was Humphry Davy who (2) invented / was invented it in 1800.

14 The Egyptians built the first pyramids.
The first pyramids


15 Marconi made the radio popular.
The radio

Answer 1

Respuesta:

es lo que tienes que hacer es que tu tienes que subrayar