discovered/were/Galileo / Saturn's rings/by.
Saturn's rings were discovered by Galileo.
The first smartphone------------- in 1992 by IBM.(invented)
was invented
'Rome must die' .............. on 'Romeo and Juliet'. (base)
is based
Many of the things we use every day -------- by women.(invent)
were invented
JK Rowling wrote the Harry Potter books.
The Harry Potter books were written by JK rowling.
About 350 films ------------ at the Berlin Film Festival every year. (show)
are shown
This -------- by Picasso a long time ago. (paint)
was painted
Cricket ------ in the summer in the UK. (often / play)
is played
Most countries produce olive oil.
Olive oil is produced by most countries.
Jonathan designed the iPod and the iPhone.
The iPod and the iPhone was designed by Jonathan.
Herschel discovered Uranus in 1781.
Uranus was discovered by Herschel in 1781.
Nowadays a lot of toys ......... in China. (make)
are made
wasn't/ Steven/ The film Avatar /by / directed
Avatar wasn't directed by Steven.
Apple didn't invent mobile phones
Mobile phones weren't invented by Apple.
Shakespeare wrote Hamlet in 1603.
Hamlet was written by Shakespeare in 1603.
All bags -------- very carefully at airports these days. (check)
are checked