Преобразуйте предложения из действительного залога в страдательный. 1. the teacher is explaining a new grammar rule. 2. they offer a wide choice of topics for our compositions. 3. she started her literary career by working on the staff of the almanac. 4. by three o’clock yesterday they had arranged everything for the experiment. 5. prof. brown will deliver the lecture on lexicology.

1. a new grammar rule is being explained by the teacher.  2. a wide choice of topics is offered for our compositions.  3. her literary career was started by working on the staff of the almanac.  4. By three o’clock yesterday everything had been arranged for the experiment. 5. the lecture will be delivered on lexicology by Prof. Brown.