нужно 7. New methods of building ... /to develop/ by Russian engineers.
8. All the tickets for the film ... /to sell/ out.
9. He always ../to wait/ for.
10.Students ... /not to allow ! to miss classes
11.This book already ... /to return/ to the library by me..
-12.The letter .../to send/ soon.
13. The problem .../to talk/ much about now
14.The old houses ... /to replace/ with new ones..
15.Probably I .../to ask/ to help him.
16.The Volkswagen Beetle ... /to design/ by Ferdinand Porsche.
17.This newspaper ... /to receive/ today.
18.He ... /to ask/ to design it by the German Government.
19.VWs ... /to take/ to America by American soldiers who were returning
home from the war.