1) English (speak) all over the world.

2) Refrigerator (use) for keeping food fresh.

3) Uranium (discover) by Marie Curie.

4) Letters (post) every Monday by our secretary.

5) German (speak) in Germany and Austria.

6) Parfumes (use) to cover their body odour in the 18th century.

7) The first DVD (manufacture) in 1997.

8) Stars (see) at nights.

9) All the cookies in my last birthday party (bake) by my grandma.

10) Students (educate) in schools.