1. They are organizing a party for the staff.

2. The government should solve the traffic problem in the city.

3. The students are studying a new lesson in class.

4. We have planted flowers in the garden.

5. She gave me a present on my birthday.

6. They built a new house in the neighborhood.

7. The teacher is grading the students' papers.

8. He will fix the car tomorrow.

9. They have selected a new team captain.

10. People speak English all over the world.