какие слова можно составить из слова автограф

Даны вещества: гидроксид свинца (II), хлорная кислота, гидроксид лития, хлор.

Напишите 4 возможные реакции.

Переделайте следующие предложения в Passive Voice

1.We asked him about his holidays

2.They have already discussed the novel

3. He did not qive me his address

4. She showed him the way to the metro station

5. He will introduce me to his friends

6. They are buildinq a bridqe over the river

7. I haven't yet translated the article

8. We were lookinq at the man with qreat surprise

9. You will speak about the film at the lesson

10. The headmistress sent for the pupil's parents

11. Has the secretary typed the letters? - No. she is typinq them now