Question

2.Употребить нужный инфинитив (Active voice или Passive voice)
1) Mary was anxious (to notice) by all the people sitting in the hall.
2) The surgeon was glad (to perform) the operation successfully.
3) He is too ill (to work) at such a late hour.
4)You should (to insist) upon her attending your seminars.

Answer 1

Mary was anxious to notice all the people sitting in the hall. (passive voice)

The surgeon was glad to have performed the operation successfully. (passive voice)

He is too ill to work at such a late hour. (active voice)

You should insist on her attending your seminars. (active voice)