BLCU-ICALL at BEA 2025 Shared Task: Multi-Strategy Evaluation of AI Tutors. - Jiyuan An; Xiang Fu; Bo Liu; Xuquan Zong; Cunliang Kong; Shuliang Liu; Shuo Wang 013; Zhenghao Liu 001; Liner Yang; Hanghang Fan; Erhong Yang (BEA, 2025)