1. I (try) to pay attention, but I am really hungry. Sorry!

2. You are very late, John. Lucy (wait) for you, and she’s mad.

3. I (do) some serious research on the effects of smoking.

4. They are really exhausted because they   (jog) for two hours already.

5. My father (drive) all of his life. He’s not used to walking anywhere!

6. My nephew (play) with his birthday present all afternoon.

7. You (listen) to the same song on repeat for hours! Stop!

8. We (work) on this project for months. I hope it pays off.

9. I (try) to read this book for months. But it’s very difficult.

10. Jake (study) for that exam for three weeks. I hope he does well.