Употребите следующие предложения в страдательном залоге: 1. He has improved his pronunciation. 2. Jane invited me to the concert. 3. I'll do the work in the evening. 4. He opened the door. 5. They are discussing the problem now

1. He has improved his pronunciation. - His pronunciation has been improved.

2. Jane invited me to the concert. - I was invited to the concert by Jane.

3. I'll do the work in the evening. - The work will be done in the evening.

4. He opened the door. - The door was opened.

5. They are discussing the problem now. - The problem is being discussed now.