Make the past simple.
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6. I _________________ (forget) to buy some milk.
7. She _________________ (have) a baby in June.
8. You _________________ (lose) your keys last week.
9. They _________________ (swim) 500m.
10. I _________________ (give) my mother a CD for Christmas.
11. At the age of 23, she _________________ (become) a doctor.
12. I _________________ (know) the answer yesterday.
13. He _________________ (tell) me that he lived in Toronto.
14. We _________________ (lend) John ÂŁ200.
15. She _________________ (drink) too much coffee yesterday.
16. The children _________________ (sleep) in the car.
17. He _________________ (keep) his promise.