Заменить действительный оборот страдательным: The director has signed the contract. The postman will bring the magazine tomorrow. They gave me that book a few days ago. They spoke very much about his article. Professor Brown operated my mother last week. The scientists are working over the experiment. We have done the exercise already. The poet is translating the novel into Russian. The parents will send their children to the pioneer camp in a week. Mary has invited him to the evening party.