Gerund or infinitive

Choose the right option in each sentence. 1. I’ll never forget down the Volga on that lovely summer day. 2. Don’t forget them about the party. 3. I remember you somewhere. 4. Did you remember the plants today? 5. We regret you that you have failed this exam. 6. After learning Spanish, she went on dinner. 7. They went on this question for hours. 8. I’m sorry , but can I ask you something? 9. Bob was sorry for at his little sister. 10. He stopped when he realised how dangerous it was. 11. Amanda stopped a quick snack and then continued translating the article. 12. You should try , you may feel better. 13. They tried that tree trunk, but it was too heavy for them. 14. Being a doctor means people. 15. I am sorry, I didn’t mean you. 16. He regrets that mistake; now he doesn’t have money.