they are keyboard operators的上一句是 he's our office assistant的上一句

新概念17课`they are keyboard operator为什么用这句```而不是用their are 难道用their they are keyboard operators的上一句是 he's our office assistant的上一句 keyboard .. keyboard Those girls are busy.____are keyboard oparators.在空中填上 he,she,it 或者we,they There are many_____________(键)on the keyboard You are good at Electronic keyboard是什么意思 Rolled on a keyboard,the tears are not forgotten... 把下列句子转换成被动语态Where did they buy the new keyboard?_____ _____ the new keyboard _____ ? mechanical keyboard,membrane keyboard 用所给的适当形式组成句子.1、where be you from 2、me name be Mary3、what be she job4、it be nice to see you5、she be a teacher not a student 6、they be not clean dirty 7、I be milkman8、what nationality be her9、I be a keyboard op keyboard是什么意思 keyboard是什么意思 英语翻译Ports are the places on the outside of the computer case where you plug in hardware.On the inside of the case,they are connected to expansion cards.The keyboard,mouse,monitor,and printer all plug into ports.There are also extra ports to p They are they are Are they They are