D. Write the Past Simple form of the verbs in brackets.

21. Be careful. We **paid** (pay) a lot of money for that vase. 22. David **shouted** (shout) at his brother this morning. 23. Mary **spent** (spend) €35 on a new book. 24. Our teacher **said** (say) that the class was very good today. 25. They **met** (meet) on holiday last year. 26. She **left** (leave) an hour ago. 27. Sam **knocked** (knock) at the door but no one was in. 28. My sister **wasn't singing** (not/sing) at the concert last Saturday. 29. My sister **walked** (walk) to school yesterday. 30. My friends **decided** (decide) to stay in and watch a film last night.