英语改错：I’m a keyboard operater

英语改错：I’m a keyboard operater I'm a keyboard operater.改错 I'm a keyboard operator.汉语怎莫说? i am a keyboard operator.i operate keyboard.这么说行吗?看新概念看到的keyboard operator I'm a newcomer here of a small town.的英语改错急 I`m a keyboard operaror和I`m an engineer为何要加上a和an,是为我区别男女吗? 英语改错(初二)I'm very exciting to be taking a vacation around China. The telephones are ring.（英语改错）I'm still feel ill.（英语改错） 英语好的大神们,帮我改改错,急用!75% of the world's television programs are in English,three-quarters of the mail is written in English ,English computer keyboard is a keyboard ,a conference dare any claims to be an international conferen 六年级英语改错句子,急!I'm run as fast as her.改错! I want eat an apple.英语改错 I‘ll eats a hamburger.改错 Thank a lot,改错 改错 I'm going to buy a magazine for plants. I'm going to by a comic book改错 keyboard .. keyboard 英语短文改错 以下是英语改错 66:Nowadays,a lot of people i an和a的用法?SOPHIE:I'm a keyboard operator和ROBERT:I'm an engineer两句话中有a和an两个词.我不清楚为什么分别用这两个词?都用同一个词不行吗? 英语句子改错：We'll leave on 10.45 a.m