1. The Mona Lisa is __ famous painting by Leonardo da Vinci.
2. __abacus is __ counting machine made of __ wooden frame with wires, on which beads are strung.
3. __ lift is like __ small room which can be raised or lowered.
4. __ escalator is__ moving stairway.
5. __ potter’s wheel is used for making pots.
6. Aristotle was __ ancient Greek philosopher.
7. __ Eiffel Tower is in Paris, in France.
8. One of __ first scientists to be awarded __ Nobel Prize was Marie Curie.
9. __ fuel tank in __ car is filled with petrol.
10. __ moon shines only because __ sun shines on it.