D) Fill in the blanks with a correct form, the PAST SIMPLE or the PAST CONTINUOUS:
1. He ………………………………….. (talk) with Mary, when Mrs. Smith came in.
2. They ………………………………… (study) two hours last night.
3. Jane …………………………………. (sleep) when the telephone rang.
4. As I …………………………………. (walk) to the lab, I met my friend.
5. We ………………………………….. (watch) TV last night.
6. The customer ………………………… (pay) his cheque when he dropped his credit card.
7. The barber …………………………………. (cut) my hair yesterday.
8. She ………………………………. (dance) when she hurt her ankle.
9. It …………………………………. (rain) hard when I got up.
10. It …………………………………. (rain) hard last night.