1)An expert is sorting the antique car. *
2)My sister will drive her dog to the vet
3)Scientists shoud discover a cure for pneumonia
4)Someone had left this mobilephone on the table.
5)L. da Vinci painted "Mona Lisa".
Надо переделать предложения в Passive voice and Causative​

1. I am glad (to be introduced) to you. 2. The box was (to  be handled) with care. You should (ask) someone (to help) you. This might not (have happened). 3. Her mood seems (to have changed) for the worse. We had better not (speak) to her now. 4. I am sorry (to have disappointed) you but I did not mean anything of the kind. 5. He is happy (to have been awarded) the first Landscape Prize for his picture. 6. He was anxious (to take) the first place in the figure-skating competition. 7. The poem can easily (be memorized). 8. This poem is easy (to memorize). 9. I did not expect (to be asked) this question. 10. There were so many things (to do), so many experiments (to try). 11. The teacher expected him (to give) a better answer at the examination. 12. They are supposed (to have benn experimenting) in this field for about a year and are believed (to have achieved) good results. 13. He must (have read) something funny; he is smiling all the time

А1. He had revised the same things again and again, he wasn’t at all sure how … he would be. c) Successful
А2. It had been his decision to take this …, programming course. a) Optional
А3. He wanted to get a good mark as he had hopes of becoming a software … .b) designer
А4. The exam was particularly … as he knew his future career
might be at stake. b) Frightening
А5. He gave a little gasp of … .c) Disbelief
А6. One winter evening Lena and her brother Harry … video games while their mum and
dad were watching TV. d) Were playing
А7. The sky … by flashes of lightning and the thunder was deafening. b) Was lit up