preparing for installation

instal this application for preparing for=? Preparing for Shipment是什么意思 Preparing for bigger waves! preparing for installation people are busy preparing for preparing for a travel 的英语作文 preparing for a picnic50字作文 preparing for my trip 作文50字 Preparing Yourself for Success!翻译成中文 写一篇PREPARING FOR A PICNIC Mother is ____supper and the rest of the rest of the family are sitting at the tale___ it.A.preparing,prepared B.preparing,prepared forC.preparing for,preparing D.prepared for,preparing forprepared 和preparing for有什么区别? be preparing for和be prepared for的区别 be preparing for的用法They might be preparing for it为什么不用be prepared for或prepare for Mother is ____supper and the rest of the rest of the family are sitting at the tale___ it.A.preparing,prepared B.preparing,prepared forC.preparing for,preparing D.prepared for,preparing for The whole class is working hard preparing for the exams.为什么用preparing? the teacher is preparing information for the parents' meeting. Mary is preparing for the comingcompetition.请问这两句中的preparing for 意思都一样吗? my mother is busy preparing for supper.改错.my mother is busy preparing for supper.改错.去掉“for” 为什么?