Passive voice

The World Wide Web _______________ in 1990 after Tim Berners-Lee created the first browser.

• launched

• is launched

• was launched

• were launched

The first commercial mobile phones __________ ____________ by NTT in Japan in 1979.

• is sold

• are sold

• was sold

• were sold

The first radio transmission across the Atlantic ________ ______________ on December 12, 1901.

• was make

• were make

• was made

• were made

The first microwave ovens ___________ _______________ by The Raytheon Corporation in 1954.

• was produce

• were produce

• was produced

• were produced

Liquid Paper ___________ ____________ by Bessie Nesmith in 1951.

• is invented

• are intented

• was invented

• were invented

The first microwave ovens __________ ____________ by The Raytheon Corporation in 1954.

• produced

• are produced

• was produced

• were produced

In 1928 the colour TV _________ ___________ by John Logie Baird.

• developed

• was develop

• was developed

• were developed

The first designs of a submarine ___________ ___________ by Leonardo da Vinci

• made

• was make

• was made

• were made

The first book in English ____________ ____________ in about 1474 by William Caxton.

• is printed

• are printed

• was printed

• were printed

The first aeroplane ___________ ___________ and flown by Orville and Wilbur Wright.

• built

• was build

• was built

• were built