3. Put in the correct verb form into the gap. Use Simple Past. Answer: Did they meet their friends? 11. _______ you _______ the door? (close) 12. _______ Claire _______ the housework? (finish) 13. _______ he _______ a bath yesterday? (have) 14. _______ boy _______ into the lake? (jump) 15. _______ Ronald _______ The Tower of London? (visit) 16. _______ Peggy and Olivia _______ after the baby? (look) 17. _______ she _______ the invitation cards herself? (make) 18. _______ the girl _______ the ketchup bottle? (drop) 19. _______ Tim _______ the green T-shirt last Monday? (buy) 20. _______ they _______ karate this morning? (practise)

Here are the sentences with the correct Simple Past forms of the verbs: 11. Did you close the door? 12. Did Claire finish the housework? 13. Did he have a bath yesterday? 14. Did the boy jump into the lake? 15. Did Ronald visit The Tower of London? 16. Did Peggy and Olivia look after the baby? 17. Did she make the invitation cards herself? 18. Did the girl drop the ketchup bottle? 19. Did Tim buy the green T-shirt last Monday? 20. Did they practise karate this morning? **Explanation:** To form questions in the Simple Past, we use 'Did' at the beginning of the sentence, followed by the subject, and the base form of the verb. Note that the verb 'have' changes to 'had' in affirmative sentences in the past tense, but in questions, we use the base form 'have' after 'did'.