For this,I have been waiting long RT

For this,I have been waiting long RT by this time next week ,i will have been working for this firm for twenty years 1.I have been teaching in this school since 1998.(用for改写句子)I have been teaching in this school( )( )( ).2.The workers have been working for eight hours.(改为一般疑问句)( )the workers( )( )for eight hours? this is a very boy that i have been looking for如何翻译 I have been never see this person . 就划线(打括号的)部分提问1.I have been at this school （for a year) （ ）have you been at this school I have been waiting for you I have been looking for a man. I have been working for two days. I have been ()teapots for fifteen years This is the first time when I go abroad,还是that I go abroad?I've been abroad for the first time.里有个for，那为何不写成This is the first time that I have been abroad for. I have been study at this school for two years .和I has studied at this school for two years.这两句谁能告诉我有什么区别! i have neve been late for work为什么用been 1.He has been writing this story (for one year).(对括号部分提问)2.I have been (standing) for five hour.(同上) by the time you arrive this evening,_______ for two hours.a i will study bi willhave been studiedc i had studied d iwill have been studying I have been borrowing this book from library for 2 weeks 这道题错在哪 为什么 怎么改? I have been in this school for _.Aone and a half yearsB.one and a half year where have you been this moring?I've been_____my purse.A.looking for B.finding C.searching