Вставьте подходящую по смыслу форму инфинитива: Passive или Active:

1. The lecturer wants … The students wants … (to understand, to be understood).

2. We expected the meeting … next month. He expected … the attention of the audience (to hold, to be held).

3. Some changes had … He wanted … some changes in the project (to make, to be made).

4. There were a lot of things … He was nowhere … (to see, to be seen).