помогите пожалуйста.Срочно нужно!!!!! 16-20​.

Ответ:

16 I was recommended to another doctor.или Another doctor was recommended to me.

17 The room has been dusted carefully by her.

18 By the time the director came the letter had been typed by her.

19 A patient is being examined by the doctor at the moment.

20 Dinner will be served by them at 3 o'clock.