Be quiet,please!I am a good student.You are an excellent teacher.He is very kind.He was a policeman.They were married.He has been in Canada for one year.I am being in trouble.
系动词be的英语造句 系动词be后可加8种形式 麻烦用它们各造个句子
Be quiet,please!I am a good student.You are an excellent teacher.He is very kind.He was a policeman.They were married.He has been in Canada for one year.I am being in trouble.2020-04-12