1 Napisz pytania, korzystając z podpowiedzi. Użyj czasów: present simple, past simple, present perfect lub future passive.

1. A. (when / the telephone / invent)
B. In 1876.
1. A. (which / languages / speak / in Switzerland) ?
B. German, French, Italian and Romansh.
2. A. (how many / astronauts / walk / on the Moon) ?
B. Twelve so far. Neil Armstrong was the first.
3. A. (3D printers / replace / factories / in the near future) ?
B. Probably not. They aren’t as effective yet.
4. A. (who / the novel / The Man from Mars / write / by) ?
B. By the Polish writer Stanisław Lem. He also wrote Solaris.