1. Maria _____ studying for her exams all week.

2. The children _____ playing in the park for two hours.

3. Our team _____ working on this project since last month.

4. John _____ to three different countries this year.

5. The new restaurant _____ receiving excellent reviews from customers.

6. I'm sorry, but the book you are looking for _____ checked out from the library.

7. The package _____ delivered to the wrong address.

8. My friends _____ planning a surprise party for me.

9. The movie _____ praised by critics and audiences alike.

10. The keys _____ missing since yesterday.