请教英语改错The activity is meaningful,for it'll not only promote friendship but does good to our environment.为什么把dose改成do?

请教英语改错The activity is meaningful,for it'll not only promote friendship but does good to our environment.为什么把dose改成do? I find this activity enjoy 改错 I find this activity enjoy.改错 改错、 Here are the results of students activity survey The telephones are ring.（英语改错）I'm still feel ill.（英语改错） 英语短文改错（高一）Reading English newspapers are my favorite activity.1-----When I entered into high school ,I began to enjoy doing such work.2-----Under the teacher's help ,I realize that reading English articles 3-----is of great import 改错The friendship between the schools promoted greatly after the activity 英语改错 I and Amy are in the room. 改错 One day,I was riding along the street,英语 改错 I am strongly for the activity.为什么是对的?be动词后面不是加形容词,名词或者时间副词吗?请给我详细的分析吧,因为语法书上也找不到答案.在改错中：原句为I am strong for the activity.然后答案 英语改错题,1.No student could answer that question,even Yao,who was usually quick in answering questions was silent.2.The Imformation Technology Revolution,made it possible through the introduction of computers in every field of human activity , 改几个英语句子,改错.1,I am study chinese every day 2.He likes swim and dance 3,He likes swimming and dancing4,He activity is play football 英语改错：The price is so expersive that I don't think I can afford it 英语改错:I devote myself to the cause of education.i never feel tiring of teaching. 七年级英语单句改错.1He ofen does some activity after class.2.Here come a bus.3.My father often get up at 6:00 in the morning. 英语改错 Are the years you spent at school best years of your life?Personally ,I found most lesso.改错 . 英语改错题：①I will go to the zoo the next day 英语定语从句改错 The first book which I bought is very po英语定语从句改错The first book which I bought is very popular