Составьте 7 предложений с активного в пассивный залог

1) People made thousand of calls from mobile phones every day. - Thousand of calls from mobile phones are made by people every day.

2) A French architect Bartholdi created the Statue of Liberty. - The Statue of Liberty was created by a French arthitect Bartholdi.

3) We will not discuss this question at the next conference. - This question won't be discussed by us at the next conference.

4) A secretary isn't writing the letter now. - The letter isn't being written by secretary now.

5) Everyone was laughing at the joke. - The joke was being laughed at by everyone.

6) Have they already prepared the presents?-Have the presents been already prepared by them?

7) She can find this book in the library. - This book can be found by her in the library.