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B.Uzupełnij zdania czasownikami z nawiasów we właściwej formie strony biernej.

1. Millions of text messages …………………………….(send) every day.

2. A lot of geographical discoveries ………………………………………….(make) in the 19 th century.

3. The first cars ……………………………….(not/ produce) on a production line , so each one was different.

4. Some pe ople think that in the future all work ………………………………(do ) by robots.

5. Smartphones …………………………….(use) commonly since 2007.​