分类：教育/科学-外语学习-英语考试
问题：关于定语从句Heisateacher___Ilikeverymu 
He is a teacher ___ I li very much.A who  B./ Why not choose A Please give me your reason.Thank you very much. 
回答：who在定语从句中,只能充当主语,而不能充当宾语.that在定语从句中充当宾语。I like缺少宾语，所以用that，不用who。