Подалуйста, с по . make up the sentences with passive voice. someone will announce the presiden's arrival to the waiting journalist someone had mentioned the password to the thieves someone has lent me some skis someone is sending him threatening letters someone is going to explain the changes to the students

The president's arriwal will be announced to the waiting journalist by someone
The password had been mentioned to the thieves by someone
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Threatening letters are being sent to him by someone

The changes are going to be explained to the students by someone