1. Farmers ______ lift water by hand.

2. If you press this button, the screen ______.

3. Cars ______ in this factory every day.

4. The bridge ______ built in 1990.

5. Jobs will ______ replaced by machines.

6. A machine that works by itself is ______.

7. Which linker shows addition?

8. If it ______, we will cancel the trip.

9. Write a for-and-against essay (10 lines): Should machines replace teachers?

10. Turn into passive: (a) 'Engineers have repaired the machine.' (b) 'People use robots in factories.'