Może ktoś zrobić to zad plis na teraz potrzebuje kl7 daje 50 pnt

1) Spanish is understood by our customers.
2) A new car was bought by my boss.
3) The new blueprint was sent by the architect
4) Cars are repaired by the mechanic.
5) The alarm system is tested by the electricians.
6) The blue jeans were invented by Levi Strauss.
7) The report wasn't sent by me.
8) Coke was invented by Pemberton.
9) G*ogle is used by students a lot.
10) Mandarin is spoken by them in China.