【正文】
since he was 18. I _____ (go) to the . last year. I _______ (watch) the petition in 2020. stayed had been went watched make dialogue: example: A: Is she a League member? B: Yes, she is. A: When did she join the League? B: She joined the League at age 12. A: How long has she been a League member? B: She has been a League member for 3 years. ?Collect information about camp, including safety, mon activities and so on ?Ask parents why they send children to camps