Use Simple Past or the Past Perfect:

1. I (feel) ……… a little better after I (take) ……… the medicine.
2. I was late. The teacher (already/ give) ……… a quiz when I (get) ……… to class.
3. The anthropologist (leave) ……… the village when she (collect) ……… enough data.
4. It was raining hard, but by the time class (be) ……… over, the rain (stop) ………
5. Millions of years ago, dinosaurs (roam) ……… the earth, but they (become) ……… extinct by the time humankind first (appear) ………
6. Mary ……… (go) swimming after she ……… (come) home. After she ……… (swim), she ……… (call) her friend Judy.
7. I ……… (go) to the theatre with my friends yesterday. I ……… (not / go) to the theatre for a year. We ……… (have) a very good time.
8. He told me he ……… (catch) a young lion.