active to passive

Gap-fill exercise
By Juan Ignacio Montorio

Fill in all the gaps, then press "Check" to check your answers. Use the "PISTA" 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!

1. They make Rover cars in Britain.
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2. Isaac Newton doscovered the laws of gravity.
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3. Ann is making a soup.
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4. Tom gave Kate some flowers.
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5. My brother has prepared the package.
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