1. There is a ________ in this office. Small things from my desk disappear very often.

2. I have two pencils. One is black, ________ is blue.

3. Whose ________ is this? Yours, I'm afraid.

4. Two masked ________ went out of the black car, rushed into the bank pointing their guns and carried away more than 50 000 dollars.

5. Mechanic: To start ________ It's losing a lot of oil.

6. There are several holidays in Brazil. One is Independence Day and ________ are Children's Day and Teacher's Day.

7. Mechanic: Okay, I'll come straight to the ________ buy a new car!

8. Look! The attic window is broken, the ________ has probably come inside this way.

9. I can understand your Spanish in spite of the grammar ________ you make.

10. The ________ stopped the car, pointed a gun at the driver and took all his money and documents.