INVENTIONS. Inventions.jpgMORE INVENTIONS.

Gap-fill exercise (by Juan Luis Serrano Pedrosa).

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

USE THESE WORDS.

faster
laptops
clean
coal

The first train burnt to heat water and create steam.
High speed electric traisn are fast, flow and transport.
The first mechanical typewiters made writng a lot .
make computers more mobile.