The passive: be + past participle

The film Jurassic Park _______ on the book by Michael Crichton. (base)

The symbol of the Olympic Games _______ in 1912. (design)

Four national languages ______ in Switzerland. (speak)

The pyramids _____ nearly 5,000 years ago. (build)

About 350 films _____ at the Berlin Film Festival every year. (shown)

P4 is a very small new moon which ______ in 2011. (discover)

Seat belts ________ in planes until the 1930s. (not use)

The Hunger Games books _______ by Suzanne Collins. (write)

The first smartphone _____ in 1992 by IBM. (invent)

Pétanque ______ a lot all over France. (play)