Uzupełnij zdania odpowiednią formą czasowników w nawiasach.
1. By 2020 our school (become) the best in Poland. 2. By the time we get there the film (start). 3. He (finish) the test by the time the teacher collects it. 4. By 2050 computers (replace) teachers. 5. By the time I get to school the lesson (start) already. 6. By the end of next year my parents (build) the house. 7. By tomorrow morning the employees (complete) the project work. 8. By August we (discuss) all the issues. 9. By the time I find my keys someone (break) into my house. 10. By the end of this decade the disease (spread) across the world.